2157360878008 has 32 divisors (see below), whose sum is σ = 4642098420960. Its totient is φ = 920746782720.

The previous prime is 2157360877927. The next prime is 2157360878017. The reversal of 2157360878008 is 8008780637512.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2157360878008.

It is a congruent number.

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, 79912441 + ... + 79939432.

It is an arithmetic number, because the mean of its divisors is an integer number (145065575655).

Almost surely, 2^{2157360878008} is an apocalyptic number.

2157360878008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2157360878008 is an abundant number, since it is smaller than the sum of its proper divisors (2484737542952).

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

2157360878008 is a wasteful number, since it uses less digits than its factorization.

2157360878008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159852127 (or 159852123 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 2157360878008 in words is "two trillion, one hundred fifty-seven billion, three hundred sixty million, eight hundred seventy-eight thousand, eight".