231109737494560 has 48 divisors (see below), whose sum is σ = 549266196540096. Its totient is φ = 91890338729728.

The previous prime is 231109737494551. The next prime is 231109737494591. The reversal of 231109737494560 is 65494737901132.

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, 4324631542 + ... + 4324684981.

It is an arithmetic number, because the mean of its divisors is an integer number (11443045761252).

Almost surely, 2^{231109737494560} is an apocalyptic number.

231109737494560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231109737494560 is an abundant number, since it is smaller than the sum of its proper divisors (318156459045536).

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

231109737494560 is a wasteful number, since it uses less digits than its factorization.

231109737494560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8649316705 (or 8649316697 counting only the distinct ones).

The product of its (nonzero) digits is 34292160, while the sum is 61.

The spelling of 231109737494560 in words is "two hundred thirty-one trillion, one hundred nine billion, seven hundred thirty-seven million, four hundred ninety-four thousand, five hundred sixty".