109813243860 has 120 divisors (see below), whose sum is σ = 364752317160. Its totient is φ = 27560964096.

The previous prime is 109813243831. The next prime is 109813243871. The reversal of 109813243860 is 68342318901.

109813243860 is a `hidden beast` number, since 109 + 81 + 32 + 438 + 6 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 25860499344 + 83952744516 = 160812^2 + 289746^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1966165 + ... + 2021244.

It is an arithmetic number, because the mean of its divisors is an integer number (3039602643).

Almost surely, 2^109813243860 is an apocalyptic number.

109813243860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109813243860 is an abundant number, since it is smaller than the sum of its proper divisors (254939073300).

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

109813243860 is a wasteful number, since it uses less digits than its factorization.

109813243860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3987447 (or 3987436 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 109813243860 in words is "one hundred nine billion, eight hundred thirteen million, two hundred forty-three thousand, eight hundred sixty".