109621926352920 has 32 divisors (see below), whose sum is σ = 328865779059120. Its totient is φ = 29232513694080.

The previous prime is 109621926352909. The next prime is 109621926352957. The reversal of 109621926352920 is 29253629126901.

It is a happy number.

It is a congruent number.

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, 456758026351 + ... + 456758026590.

Almost surely, 2^{109621926352920} is an apocalyptic number.

109621926352920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

109621926352920 is an abundant number, since it is smaller than the sum of its proper divisors (219243852706200).

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

109621926352920 is a wasteful number, since it uses less digits than its factorization.

109621926352920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913516052955 (or 913516052951 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 57.

The spelling of 109621926352920 in words is "one hundred nine trillion, six hundred twenty-one billion, nine hundred twenty-six million, three hundred fifty-two thousand, nine hundred twenty".