109842392500 has 30 divisors (see below), whose sum is σ = 240203349386. Its totient is φ = 43936956000.

The previous prime is 109842392489. The next prime is 109842392537. The reversal of 109842392500 is 5293248901.

It can be written as a sum of positive squares in 5 ways, for example, as 80753725584 + 29088666916 = 284172^2 + 170554^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21965979 + ... + 21970978.

Almost surely, 2^109842392500 is an apocalyptic number.

109842392500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109842392500 is an abundant number, since it is smaller than the sum of its proper divisors (130360956886).

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

109842392500 is an equidigital number, since it uses as much as digits as its factorization.

109842392500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43936981 (or 43936964 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 109842392500 in words is "one hundred nine billion, eight hundred forty-two million, three hundred ninety-two thousand, five hundred".