391113857096352 has 576 divisors, whose sum is σ = 1345802883384960. Its totient is φ = 110629680021504.

The previous prime is 391113857096329. The next prime is 391113857096359. The reversal of 391113857096352 is 253690758311193.

391113857096352 is a `hidden beast` number, since 3 + 9 + 1 + 1 + 1 + 3 + 8 + 570 + 9 + 6 + 3 + 52 = 666.

It is a super-2 number, since 2×391113857096352² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 391113857096352.

It is not an unprimeable number, because it can be changed into a prime (391113857096359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 71248924 + ... + 76541732.

It is an arithmetic number, because the mean of its divisors is an integer number (2336463339210).

Almost surely, 2^{391113857096352} is an apocalyptic number.

391113857096352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 391113857096352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (672901441692480).

391113857096352 is an abundant number, since it is smaller than the sum of its proper divisors (954689026288608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

391113857096352 is a wasteful number, since it uses less digits than its factorization.

391113857096352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5292907 (or 5292887 counting only the distinct ones).

The product of its (nonzero) digits is 36741600, while the sum is 63.

The spelling of 391113857096352 in words is "three hundred ninety-one trillion, one hundred thirteen billion, eight hundred fifty-seven million, ninety-six thousand, three hundred fifty-two".