100561374680 has 96 divisors (see below), whose sum is σ = 248664718800. Its totient is φ = 36576004608.

The previous prime is 100561374553. The next prime is 100561374713. The reversal of 100561374680 is 86473165001.

It is a super-2 number, since 2×100561374680² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 341906 + ... + 563934.

Almost surely, 2^100561374680 is an apocalyptic number.

100561374680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100561374680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124332359400).

100561374680 is an abundant number, since it is smaller than the sum of its proper divisors (148103344120).

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

100561374680 is a wasteful number, since it uses less digits than its factorization.

100561374680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222133 (or 222116 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 41.

The spelling of 100561374680 in words is "one hundred billion, five hundred sixty-one million, three hundred seventy-four thousand, six hundred eighty".