105404690055 has 64 divisors (see below), whose sum is σ = 194435481600. Its totient is φ = 47762524800.

The previous prime is 105404690051. The next prime is 105404690081. The reversal of 105404690055 is 550096404501.

It is not a de Polignac number, because 105404690055 - 2² = 105404690051 is a prime.

It is a super-2 number, since 2×105404690055² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105404689995 and 105404690022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105404690051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7587606 + ... + 7601484.

It is an arithmetic number, because the mean of its divisors is an integer number (3038054400).

Almost surely, 2^105404690055 is an apocalyptic number.

105404690055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105404690055 is a deficient number, since it is larger than the sum of its proper divisors (89030791545).

105404690055 is a wasteful number, since it uses less digits than its factorization.

105404690055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14524.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 105404690055 in words is "one hundred five billion, four hundred four million, six hundred ninety thousand, fifty-five".