100561100005500 has 96 divisors (see below), whose sum is σ = 295733269435968. Its totient is φ = 26550785440000.

The previous prime is 100561100005489. The next prime is 100561100005517. The reversal of 100561100005500 is 5500001165001.

It is a super-2 number, since 2×100561100005500² (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 31 ways as a sum of consecutive naturals, for example, 331733319 + ... + 332036318.

It is an arithmetic number, because the mean of its divisors is an integer number (3080554889958).

Almost surely, 2^{100561100005500} is an apocalyptic number.

100561100005500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100561100005500 is an abundant number, since it is smaller than the sum of its proper divisors (195172169430468).

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

100561100005500 is a wasteful number, since it uses less digits than its factorization.

100561100005500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663769760 (or 663769748 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The spelling of 100561100005500 in words is "one hundred trillion, five hundred sixty-one billion, one hundred million, five thousand, five hundred".