791815245193560 has 128 divisors (see below), whose sum is σ = 2717014913326080. Its totient is φ = 180838355962368.

The previous prime is 791815245193549. The next prime is 791815245193681. The reversal of 791815245193560 is 65391542518197.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 791815245193491 and 791815245193500.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 384351747 + ... + 386406386.

It is an arithmetic number, because the mean of its divisors is an integer number (21226679010360).

It is a 2-persistent number, because it is pandigital, and so is 2⋅791815245193560 = 1583630490387120, but 3⋅791815245193560 = 2375445735580680 is not.

Almost surely, 2^{791815245193560} is an apocalyptic number.

791815245193560 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

791815245193560 is an abundant number, since it is smaller than the sum of its proper divisors (1925199668132520).

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

791815245193560 is a wasteful number, since it uses less digits than its factorization.

791815245193560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770759377 (or 770759373 counting only the distinct ones).

The product of its (nonzero) digits is 81648000, while the sum is 66.

The spelling of 791815245193560 in words is "seven hundred ninety-one trillion, eight hundred fifteen billion, two hundred forty-five million, one hundred ninety-three thousand, five hundred sixty".