156137811320 has 64 divisors (see below), whose sum is σ = 358489890720. Its totient is φ = 61182344704.

The previous prime is 156137811301. The next prime is 156137811331. The reversal of 156137811320 is 23118731651.

156137811320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×156137811320² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1327967 + ... + 1440753.

Almost surely, 2^156137811320 is an apocalyptic number.

156137811320 is a gapful number since it is divisible by the number (10) 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 156137811320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179244945360).

156137811320 is an abundant number, since it is smaller than the sum of its proper divisors (202352079400).

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

156137811320 is a wasteful number, since it uses less digits than its factorization.

156137811320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113504 (or 113500 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 156137811320 in words is "one hundred fifty-six billion, one hundred thirty-seven million, eight hundred eleven thousand, three hundred twenty".