2115862528012 has 24 divisors (see below), whose sum is σ = 3831865833600. Its totient is φ = 1021070862336.

The previous prime is 2115862528009. The next prime is 2115862528049. The reversal of 2115862528012 is 2108252685112.

It is a self number, because there is not a number n which added to its sum of digits gives 2115862528012.

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, 3079708 + ... + 3703555.

It is an arithmetic number, because the mean of its divisors is an integer number (159661076400).

Almost surely, 2^{2115862528012} is an apocalyptic number.

It is an amenable number.

2115862528012 is a deficient number, since it is larger than the sum of its proper divisors (1716003305588).

2115862528012 is a wasteful number, since it uses less digits than its factorization.

2115862528012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6785985 (or 6785983 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 43.

The spelling of 2115862528012 in words is "two trillion, one hundred fifteen billion, eight hundred sixty-two million, five hundred twenty-eight thousand, twelve".