105863372090 has 32 divisors (see below), whose sum is σ = 220021208064. Its totient is φ = 35921825280.

The previous prime is 105863372053. The next prime is 105863372143. The reversal of 105863372090 is 90273368501.

It is a super-2 number, since 2×105863372090² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7788746 + ... + 7802325.

It is an arithmetic number, because the mean of its divisors is an integer number (6875662752).

Almost surely, 2^105863372090 is an apocalyptic number.

105863372090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105863372090 is an abundant number, since it is smaller than the sum of its proper divisors (114157835974).

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

105863372090 is a wasteful number, since it uses less digits than its factorization.

105863372090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15591182.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 105863372090 in words is "one hundred five billion, eight hundred sixty-three million, three hundred seventy-two thousand, ninety".