156072157122 has 16 divisors (see below), whose sum is σ = 356736359232. Its totient is φ = 44592044880.

The previous prime is 156072157117. The next prime is 156072157147. The reversal of 156072157122 is 221751270651.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1858001829 + ... + 1858001912.

It is an arithmetic number, because the mean of its divisors is an integer number (22296022452).

Almost surely, 2^156072157122 is an apocalyptic number.

156072157122 is an abundant number, since it is smaller than the sum of its proper divisors (200664202110).

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

156072157122 is a wasteful number, since it uses less digits than its factorization.

156072157122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3716003753.

The product of its (nonzero) digits is 58800, while the sum is 39.

The spelling of 156072157122 in words is "one hundred fifty-six billion, seventy-two million, one hundred fifty-seven thousand, one hundred twenty-two".