100550556105605 has 32 divisors (see below), whose sum is σ = 121812522434304. Its totient is φ = 79675987862016.

The previous prime is 100550556105583. The next prime is 100550556105631. The reversal of 100550556105605 is 506501655055001.

It is a cyclic number.

It is not a de Polignac number, because 100550556105605 - 2³⁴ = 100533376236421 is a prime.

It is a super-2 number, since 2×100550556105605² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

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 31 ways as a sum of consecutive naturals, for example, 1409874407 + ... + 1409945723.

It is an arithmetic number, because the mean of its divisors is an integer number (3806641326072).

Almost surely, 2^{100550556105605} is an apocalyptic number.

It is an amenable number.

100550556105605 is a deficient number, since it is larger than the sum of its proper divisors (21261966328699).

100550556105605 is a wasteful number, since it uses less digits than its factorization.

100550556105605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77325.

The product of its (nonzero) digits is 562500, while the sum is 44.

The spelling of 100550556105605 in words is "one hundred trillion, five hundred fifty billion, five hundred fifty-six million, one hundred five thousand, six hundred five".