100815285560 has 64 divisors (see below), whose sum is σ = 247529558880. Its totient is φ = 36649162240.

The previous prime is 100815285541. The next prime is 100815285581. The reversal of 100815285560 is 65582518001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1522094 + ... + 1586946.

Almost surely, 2^100815285560 is an apocalyptic number.

100815285560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100815285560 is an abundant number, since it is smaller than the sum of its proper divisors (146714273320).

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

100815285560 is a wasteful number, since it uses less digits than its factorization.

100815285560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68408 (or 68404 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 41.

The spelling of 100815285560 in words is "one hundred billion, eight hundred fifteen million, two hundred eighty-five thousand, five hundred sixty".