105555105560 has 16 divisors (see below), whose sum is σ = 237498987600. Its totient is φ = 42222042208.

The previous prime is 105555105559. The next prime is 105555105631. The reversal of 105555105560 is 65501555501.

It is a happy number.

It is a super-2 number, since 2×105555105560² (a number of 23 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 3 ways as a sum of consecutive naturals, for example, 1319438780 + ... + 1319438859.

It is an arithmetic number, because the mean of its divisors is an integer number (14843686725).

Almost surely, 2^105555105560 is an apocalyptic number.

105555105560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105555105560 is an abundant number, since it is smaller than the sum of its proper divisors (131943882040).

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

105555105560 is a wasteful number, since it uses less digits than its factorization.

105555105560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638877650 (or 2638877646 counting only the distinct ones).

The product of its (nonzero) digits is 93750, while the sum is 38.

It can be divided in two parts, 10555 and 5105560, that added together give a palindrome (5116115).

The spelling of 105555105560 in words is "one hundred five billion, five hundred fifty-five million, one hundred five thousand, five hundred sixty".