215180842010944 has 28 divisors (see below), whose sum is σ = 440773660252288. Its totient is φ = 104119762262400.

The previous prime is 215180842010881. The next prime is 215180842010951. The reversal of 215180842010944 is 449010248081512.

It is a happy number.

It is a super-2 number, since 2×215180842010944² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54229040862 + ... + 54229044829.

Almost surely, 2^{215180842010944} is an apocalyptic number.

It is an amenable number.

215180842010944 is an abundant number, since it is smaller than the sum of its proper divisors (225592818241344).

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

215180842010944 is a wasteful number, since it uses less digits than its factorization.

215180842010944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108458085734 (or 108458085724 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 49.

The spelling of 215180842010944 in words is "two hundred fifteen trillion, one hundred eighty billion, eight hundred forty-two million, ten thousand, nine hundred forty-four".