2115541938804 has 24 divisors (see below), whose sum is σ = 5641445170368. Its totient is φ = 604440553920.

The previous prime is 2115541938751. The next prime is 2115541938847. The reversal of 2115541938804 is 4088391455112.

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, 12592511457 + ... + 12592511624.

It is an arithmetic number, because the mean of its divisors is an integer number (235060215432).

Almost surely, 2^{2115541938804} is an apocalyptic number.

It is an amenable number.

2115541938804 is an abundant number, since it is smaller than the sum of its proper divisors (3525903231564).

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

2115541938804 is a wasteful number, since it uses less digits than its factorization.

2115541938804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25185023095 (or 25185023093 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 51.

The spelling of 2115541938804 in words is "two trillion, one hundred fifteen billion, five hundred forty-one million, nine hundred thirty-eight thousand, eight hundred four".