156011219472 has 40 divisors (see below), whose sum is σ = 403454686176. Its totient is φ = 51948810496.

The previous prime is 156011219437. The next prime is 156011219491. The reversal of 156011219472 is 274912110651.

It is a happy number.

It is a super-2 number, since 2×156011219472² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 156011219472.

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, 1670613 + ... + 1761524.

Almost surely, 2^156011219472 is an apocalyptic number.

156011219472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

156011219472 is an abundant number, since it is smaller than the sum of its proper divisors (247443466704).

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

156011219472 is a wasteful number, since it uses less digits than its factorization.

156011219472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433095 (or 3433089 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The spelling of 156011219472 in words is "one hundred fifty-six billion, eleven million, two hundred nineteen thousand, four hundred seventy-two".