100800064560 has 160 divisors (see below), whose sum is σ = 344725311168. Its totient is φ = 24207114240.

The previous prime is 100800064559. The next prime is 100800064579. The reversal of 100800064560 is 65460008001.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266077 + ... + 521916.

Almost surely, 2^100800064560 is an apocalyptic number.

100800064560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100800064560 is an abundant number, since it is smaller than the sum of its proper divisors (243925246608).

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

100800064560 is a wasteful number, since it uses less digits than its factorization.

100800064560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788063 (or 788057 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 100800064560 in words is "one hundred billion, eight hundred million, sixty-four thousand, five hundred sixty".