156781104432 has 40 divisors (see below), whose sum is σ = 405032201280. Its totient is φ = 52258516800.

The previous prime is 156781104421. The next prime is 156781104433. The reversal of 156781104432 is 234401187651.

It is not an unprimeable number, because it can be changed into a prime (156781104433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2311807 + ... + 2378657.

It is an arithmetic number, because the mean of its divisors is an integer number (10125805032).

Almost surely, 2^156781104432 is an apocalyptic number.

156781104432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

156781104432 is an abundant number, since it is smaller than the sum of its proper divisors (248251096848).

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

156781104432 is a wasteful number, since it uses less digits than its factorization.

156781104432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115721 (or 115715 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 156781104432 in words is "one hundred fifty-six billion, seven hundred eighty-one million, one hundred four thousand, four hundred thirty-two".