100555167105812 has 24 divisors (see below), whose sum is σ = 180738621303240. Its totient is φ = 48915727804800.

The previous prime is 100555167105797. The next prime is 100555167105821. The reversal of 100555167105812 is 218501761555001.

It can be written as a sum of positive squares in 4 ways, for example, as 48552550177156 + 52002616928656 = 6967966^2 + 7211284^2 .

It is a super-2 number, since 2×100555167105812² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18427487 + ... + 23252582.

It is an arithmetic number, because the mean of its divisors is an integer number (7530775887635).

Almost surely, 2^{100555167105812} is an apocalyptic number.

It is an amenable number.

100555167105812 is a deficient number, since it is larger than the sum of its proper divisors (80183454197428).

100555167105812 is a wasteful number, since it uses less digits than its factorization.

100555167105812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41696411 (or 41696409 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 47.

The spelling of 100555167105812 in words is "one hundred trillion, five hundred fifty-five billion, one hundred sixty-seven million, one hundred five thousand, eight hundred twelve".