156480564931 has 4 divisors (see below), whose sum is σ = 156489379200. Its totient is φ = 156471750664.

The previous prime is 156480564893. The next prime is 156480564937. The reversal of 156480564931 is 139465084651.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 156480564931 - 2²⁹ = 155943694019 is a prime.

It is a super-2 number, since 2×156480564931² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (156480564937) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4380451 + ... + 4416028.

It is an arithmetic number, because the mean of its divisors is an integer number (39122344800).

Almost surely, 2^156480564931 is an apocalyptic number.

156480564931 is a deficient number, since it is larger than the sum of its proper divisors (8814269).

156480564931 is an equidigital number, since it uses as much as digits as its factorization.

156480564931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8814268.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The spelling of 156480564931 in words is "one hundred fifty-six billion, four hundred eighty million, five hundred sixty-four thousand, nine hundred thirty-one".