100561206546 has 12 divisors (see below), whose sum is σ = 217882614222. Its totient is φ = 33520402176.

The previous prime is 100561206527. The next prime is 100561206563. The reversal of 100561206546 is 645602165001.

100561206546 is a `hidden beast` number, since 10 + 0 + 561 + 20 + 65 + 4 + 6 = 666.

100561206546 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 92926815921 + 7634390625 = 304839^2 + 87375^2 .

It is a super-2 number, since 2×100561206546² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100561206546.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2793366831 + ... + 2793366866.

Almost surely, 2^100561206546 is an apocalyptic number.

100561206546 is an abundant number, since it is smaller than the sum of its proper divisors (117321407676).

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

100561206546 is a wasteful number, since it uses less digits than its factorization.

100561206546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5586733705 (or 5586733702 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 100561206546 in words is "one hundred billion, five hundred sixty-one million, two hundred six thousand, five hundred forty-six".