105104055123520 has 56 divisors (see below), whose sum is σ = 258909342708600. Its totient is φ = 40591910940672.

The previous prime is 105104055123503. The next prime is 105104055123581. The reversal of 105104055123520 is 25321550401501.

It can be written as a sum of positive squares in 4 ways, for example, as 5452710690816 + 99651344432704 = 2335104^2 + 9982552^2 .

It is a super-2 number, since 2×105104055123520² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5662924725 + ... + 5662943284.

Almost surely, 2^{105104055123520} is an apocalyptic number.

105104055123520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105104055123520 is an abundant number, since it is smaller than the sum of its proper divisors (153805287585080).

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

105104055123520 is a wasteful number, since it uses less digits than its factorization.

105104055123520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11325868055 (or 11325868045 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 105104055123520 in words is "one hundred five trillion, one hundred four billion, fifty-five million, one hundred twenty-three thousand, five hundred twenty".