231151555200 has 192 divisors, whose sum is σ = 762779884320. Its totient is φ = 61525094400.

The previous prime is 231151555199. The next prime is 231151555249. The reversal of 231151555200 is 2555151132.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5171347 + ... + 5215853.

Almost surely, 2^231151555200 is an apocalyptic number.

231151555200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231151555200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381389942160).

231151555200 is an abundant number, since it is smaller than the sum of its proper divisors (531628329120).

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

231151555200 is a wasteful number, since it uses less digits than its factorization.

231151555200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45075 (or 45058 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 231151555200 in words is "two hundred thirty-one billion, one hundred fifty-one million, five hundred fifty-five thousand, two hundred".