105550555506 has 32 divisors (see below), whose sum is σ = 230303642688. Its totient is φ = 31983416640.

The previous prime is 105550555493. The next prime is 105550555531. The reversal of 105550555506 is 605555055501.

It is a super-2 number, since 2×105550555506² (a number of 23 digits) contains 22 as substring.

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, 2549040 + ... + 2590116.

It is an arithmetic number, because the mean of its divisors is an integer number (7196988834).

Almost surely, 2^105550555506 is an apocalyptic number.

105550555506 is an abundant number, since it is smaller than the sum of its proper divisors (124753087182).

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

105550555506 is a wasteful number, since it uses less digits than its factorization.

105550555506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80026.

The product of its (nonzero) digits is 468750, while the sum is 42.

The spelling of 105550555506 in words is "one hundred five billion, five hundred fifty million, five hundred fifty-five thousand, five hundred six".