100655870280 has 64 divisors (see below), whose sum is σ = 345105843840. Its totient is φ = 23007055872.

The previous prime is 100655870279. The next prime is 100655870303. The reversal of 100655870280 is 82078556001.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 59913369 + ... + 59915048.

It is an arithmetic number, because the mean of its divisors is an integer number (5392278810).

Almost surely, 2^100655870280 is an apocalyptic number.

100655870280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100655870280 is an abundant number, since it is smaller than the sum of its proper divisors (244449973560).

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

100655870280 is a wasteful number, since it uses less digits than its factorization.

100655870280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119828438 (or 119828434 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 42.

The spelling of 100655870280 in words is "one hundred billion, six hundred fifty-five million, eight hundred seventy thousand, two hundred eighty".