100506101105918 has 32 divisors (see below), whose sum is σ = 163712997020160. Its totient is φ = 46132705437280.

The previous prime is 100506101105873. The next prime is 100506101105951. The reversal of 100506101105918 is 819501101605001.

It is a happy number.

It is a super-2 number, since 2×100506101105918² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

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, 225351788 + ... + 225797343.

It is an arithmetic number, because the mean of its divisors is an integer number (5116031156880).

Almost surely, 2^{100506101105918} is an apocalyptic number.

100506101105918 is a deficient number, since it is larger than the sum of its proper divisors (63206895914242).

100506101105918 is a wasteful number, since it uses less digits than its factorization.

100506101105918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451149352.

The product of its (nonzero) digits is 10800, while the sum is 38.

The spelling of 100506101105918 in words is "one hundred trillion, five hundred six billion, one hundred one million, one hundred five thousand, nine hundred eighteen".