100561060560 has 80 divisors (see below), whose sum is σ = 312131022336. Its totient is φ = 26782585344.

The previous prime is 100561060547. The next prime is 100561060577. The reversal of 100561060560 is 65060165001.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×100561060560² (a number of 23 digits) contains 22 as substring.

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

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, 71584 + ... + 454143.

Almost surely, 2^100561060560 is an apocalyptic number.

100561060560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100561060560 is an abundant number, since it is smaller than the sum of its proper divisors (211569961776).

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

100561060560 is a wasteful number, since it uses less digits than its factorization.

100561060560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526540 (or 526534 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The spelling of 100561060560 in words is "one hundred billion, five hundred sixty-one million, sixty thousand, five hundred sixty".