15877242136812 has 96 divisors (see below), whose sum is σ = 42974173204480. Its totient is φ = 4468343330880.

The previous prime is 15877242136783. The next prime is 15877242136813. The reversal of 15877242136812 is 21863124277851.

It is not an unprimeable number, because it can be changed into a prime (15877242136813) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89909139 + ... + 90085557.

Almost surely, 2^{15877242136812} is an apocalyptic number.

15877242136812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15877242136812 is an abundant number, since it is smaller than the sum of its proper divisors (27096931067668).

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

15877242136812 is a wasteful number, since it uses less digits than its factorization.

15877242136812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192491 (or 192489 counting only the distinct ones).

The product of its digits is 9031680, while the sum is 57.

The spelling of 15877242136812 in words is "fifteen trillion, eight hundred seventy-seven billion, two hundred forty-two million, one hundred thirty-six thousand, eight hundred twelve".