109315771992 has 112 divisors (see below), whose sum is σ = 351211591440. Its totient is φ = 31233066048.

The previous prime is 109315771969. The next prime is 109315772021. The reversal of 109315771992 is 299177513901.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1298043 + ... + 1379690.

Almost surely, 2^109315771992 is an apocalyptic number.

109315771992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109315771992 is an abundant number, since it is smaller than the sum of its proper divisors (241895819448).

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

109315771992 is an equidigital number, since it uses as much as digits as its factorization.

109315771992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2677764 (or 2677745 counting only the distinct ones).

The product of its (nonzero) digits is 1071630, while the sum is 54.

The spelling of 109315771992 in words is "one hundred nine billion, three hundred fifteen million, seven hundred seventy-one thousand, nine hundred ninety-two".