105039912680 has 32 divisors (see below), whose sum is σ = 243963671040. Its totient is φ = 40660610880.

The previous prime is 105039912611. The next prime is 105039912707. The reversal of 105039912680 is 86219930501.

It is a happy number.

It is a super-2 number, since 2×105039912680² (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 7 ways as a sum of consecutive naturals, for example, 42353564 + ... + 42356043.

It is an arithmetic number, because the mean of its divisors is an integer number (7623864720).

Almost surely, 2^105039912680 is an apocalyptic number.

105039912680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105039912680 is an abundant number, since it is smaller than the sum of its proper divisors (138923758360).

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

105039912680 is a wasteful number, since it uses less digits than its factorization.

105039912680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84709649 (or 84709645 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The spelling of 105039912680 in words is "one hundred five billion, thirty-nine million, nine hundred twelve thousand, six hundred eighty".