15131161163055 has 16 divisors (see below), whose sum is σ = 27668408984064. Its totient is φ = 6917102245920.

The previous prime is 15131161163047. The next prime is 15131161163071. The reversal of 15131161163055 is 55036116113151.

It is not a de Polignac number, because 15131161163055 - 2³ = 15131161163047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72053148291 + ... + 72053148500.

It is an arithmetic number, because the mean of its divisors is an integer number (1729275561504).

Almost surely, 2^{15131161163055} is an apocalyptic number.

15131161163055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15131161163055 is a deficient number, since it is larger than the sum of its proper divisors (12537247821009).

15131161163055 is a wasteful number, since it uses less digits than its factorization.

15131161163055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144106296806.

The product of its (nonzero) digits is 40500, while the sum is 39.

The spelling of 15131161163055 in words is "fifteen trillion, one hundred thirty-one billion, one hundred sixty-one million, one hundred sixty-three thousand, fifty-five".