100561000556106 has 40 divisors (see below), whose sum is σ = 225332002328004. Its totient is φ = 33520203881280.

The previous prime is 100561000555999. The next prime is 100561000556119. The reversal of 100561000556106 is 601655000165001.

It can be written as a sum of positive squares in 2 ways, for example, as 96324586911081 + 4236413645025 = 9814509^2 + 2058255^2 .

It is a super-2 number, since 2×100561000556106² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 46698316 + ... + 48804248.

Almost surely, 2^{100561000556106} is an apocalyptic number.

100561000556106 is an abundant number, since it is smaller than the sum of its proper divisors (124771001771898).

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

100561000556106 is a wasteful number, since it uses less digits than its factorization.

100561000556106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400708 (or 2400699 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 100561000556106 in words is "one hundred trillion, five hundred sixty-one billion, five hundred fifty-six thousand, one hundred six".