231461551523455 has 16 divisors (see below), whose sum is σ = 303096060432000. Its totient is φ = 168284647430560.

The previous prime is 231461551523443. The next prime is 231461551523473. The reversal of 231461551523455 is 554325155164132.

It is a de Polignac number, because none of the positive numbers 2^k-231461551523455 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637646965 + ... + 638009854.

It is an arithmetic number, because the mean of its divisors is an integer number (18943503777000).

Almost surely, 2^{231461551523455} is an apocalyptic number.

231461551523455 is a deficient number, since it is larger than the sum of its proper divisors (71634508908545).

231461551523455 is a wasteful number, since it uses less digits than its factorization.

231461551523455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275660134.

The product of its digits is 10800000, while the sum is 52.

The spelling of 231461551523455 in words is "two hundred thirty-one trillion, four hundred sixty-one billion, five hundred fifty-one million, five hundred twenty-three thousand, four hundred fifty-five".