105550555505 has 32 divisors (see below), whose sum is σ = 134821152000. Its totient is φ = 79101792000.

The previous prime is 105550555493. The next prime is 105550555531. The reversal of 105550555505 is 505555055501.

It is not a de Polignac number, because 105550555505 - 2⁶ = 105550555441 is a prime.

It is a super-2 number, since 2×105550555505² (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 31 ways as a sum of consecutive naturals, for example, 7870796 + ... + 7884194.

It is an arithmetic number, because the mean of its divisors is an integer number (4213161000).

Almost surely, 2^105550555505 is an apocalyptic number.

It is an amenable number.

105550555505 is a deficient number, since it is larger than the sum of its proper divisors (29270596495).

105550555505 is a wasteful number, since it uses less digits than its factorization.

105550555505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14345.

The product of its (nonzero) digits is 390625, while the sum is 41.

The spelling of 105550555505 in words is "one hundred five billion, five hundred fifty million, five hundred fifty-five thousand, five hundred five".