100156487875 has 16 divisors (see below), whose sum is σ = 125009595360. Its totient is φ = 80116024800.

The previous prime is 100156487863. The next prime is 100156487891. The reversal of 100156487875 is 578784651001.

It is not a de Polignac number, because 100156487875 - 2⁹ = 100156487363 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1182441 + ... + 1264309.

It is an arithmetic number, because the mean of its divisors is an integer number (7813099710).

Almost surely, 2^100156487875 is an apocalyptic number.

100156487875 is a deficient number, since it is larger than the sum of its proper divisors (24853107485).

100156487875 is an frugal number, since it uses more digits than its factorization.

100156487875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91671 (or 91661 counting only the distinct ones).

The product of its (nonzero) digits is 1881600, while the sum is 52.

The spelling of 100156487875 in words is "one hundred billion, one hundred fifty-six million, four hundred eighty-seven thousand, eight hundred seventy-five".