156211100000 has 72 divisors (see below), whose sum is σ = 384401396736. Its totient is φ = 62484400000.

The previous prime is 156211099981. The next prime is 156211100027. The reversal of 156211100000 is 1112651.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 681056 + ... + 881055.

It is an arithmetic number, because the mean of its divisors is an integer number (5338908288).

Almost surely, 2^156211100000 is an apocalyptic number.

156211100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

156211100000 is an abundant number, since it is smaller than the sum of its proper divisors (228190296736).

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

156211100000 is an frugal number, since it uses more digits than its factorization.

156211100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562146 (or 1562118 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 156211100000 its reverse (1112651), we get a palindrome (156212212651).

The spelling of 156211100000 in words is "one hundred fifty-six billion, two hundred eleven million, one hundred thousand".