351132104520 has 256 divisors, whose sum is σ = 1285611264000. Its totient is φ = 84850115328.

The previous prime is 351132104473. The next prime is 351132104629. The reversal of 351132104520 is 25401231153.

351132104520 is a `hidden beast` number, since 3 + 5 + 1 + 1 + 32 + 104 + 520 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 99967 + ... + 843953.

It is an arithmetic number, because the mean of its divisors is an integer number (5021919000).

Almost surely, 2^351132104520 is an apocalyptic number.

351132104520 is a gapful number since it is divisible by the number (30) 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 351132104520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (642805632000).

351132104520 is an abundant number, since it is smaller than the sum of its proper divisors (934479159480).

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

351132104520 is a wasteful number, since it uses less digits than its factorization.

351132104520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744049 (or 744039 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 351132104520 its reverse (25401231153), we get a palindrome (376533335673).

The spelling of 351132104520 in words is "three hundred fifty-one billion, one hundred thirty-two million, one hundred four thousand, five hundred twenty".