100642865504 has 24 divisors (see below), whose sum is σ = 198148744080. Its totient is φ = 50319374976.

The previous prime is 100642865471. The next prime is 100642865509. The reversal of 100642865504 is 405568246001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100642865509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1002962 + ... + 1098734.

It is an arithmetic number, because the mean of its divisors is an integer number (8256197670).

Almost surely, 2^100642865504 is an apocalyptic number.

It is an amenable number.

100642865504 is a deficient number, since it is larger than the sum of its proper divisors (97505878576).

100642865504 is an equidigital number, since it uses as much as digits as its factorization.

100642865504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128622 (or 128614 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 100642865504 in words is "one hundred billion, six hundred forty-two million, eight hundred sixty-five thousand, five hundred four".