231556014455000 has 40 divisors (see below), whose sum is σ = 542535741879780. Its totient is φ = 92622405780000.

The previous prime is 231556014454979. The next prime is 231556014455053. The reversal of 231556014455000 is 554410655132.

It is a tau number, because it is divible by the number of its divisors (40).

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, 23155596446 + ... + 23155606445.

Almost surely, 2^{231556014455000} is an apocalyptic number.

231556014455000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231556014455000 is an abundant number, since it is smaller than the sum of its proper divisors (310979727424780).

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

231556014455000 is an equidigital number, since it uses as much as digits as its factorization.

231556014455000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46311202917 (or 46311202898 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 231556014455000 in words is "two hundred thirty-one trillion, five hundred fifty-six billion, fourteen million, four hundred fifty-five thousand".