105515574608875 has 8 divisors (see below), whose sum is σ = 131683437112032. Its totient is φ = 84412459687000.

The previous prime is 105515574608777. The next prime is 105515574608903. The reversal of 105515574608875 is 578806475515501.

It is a de Polignac number, because none of the positive numbers 2^k-105515574608875 is a prime.

It is a super-2 number, since 2×105515574608875² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105515574608875.

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, 422062298311 + ... + 422062298560.

It is an arithmetic number, because the mean of its divisors is an integer number (16460429639004).

Almost surely, 2^{105515574608875} is an apocalyptic number.

105515574608875 is a deficient number, since it is larger than the sum of its proper divisors (26167862503157).

105515574608875 is an frugal number, since it uses more digits than its factorization.

105515574608875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844124596886 (or 844124596876 counting only the distinct ones).

The product of its (nonzero) digits is 235200000, while the sum is 67.

The spelling of 105515574608875 in words is "one hundred five trillion, five hundred fifteen billion, five hundred seventy-four million, six hundred eight thousand, eight hundred seventy-five".