231255516752575 has 12 divisors (see below), whose sum is σ = 327722103741040. Its totient is φ = 158575211487360.

The previous prime is 231255516752569. The next prime is 231255516752591. The reversal of 231255516752575 is 575257615552132.

It is not a de Polignac number, because 231255516752575 - 2²¹ = 231255514655423 is a prime.

It is a super-2 number, since 2×231255516752575² (a number of 30 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 660730047690 + ... + 660730048039.

Almost surely, 2^{231255516752575} is an apocalyptic number.

231255516752575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

231255516752575 is a deficient number, since it is larger than the sum of its proper divisors (96466586988465).

231255516752575 is a wasteful number, since it uses less digits than its factorization.

231255516752575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321460095746 (or 1321460095741 counting only the distinct ones).

The product of its digits is 110250000, while the sum is 61.

The spelling of 231255516752575 in words is "two hundred thirty-one trillion, two hundred fifty-five billion, five hundred sixteen million, seven hundred fifty-two thousand, five hundred seventy-five".