131561371053 has 48 divisors (see below), whose sum is σ = 238550906880. Its totient is φ = 68124605472.

The previous prime is 131561371037. The next prime is 131561371141. The reversal of 131561371053 is 350173165131.

131561371053 is a `hidden beast` number, since 1 + 3 + 1 + 561 + 37 + 10 + 53 = 666.

It is not a de Polignac number, because 131561371053 - 2⁴ = 131561371037 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 131561370999 and 131561371017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131561371003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2361801 + ... + 2416862.

It is an arithmetic number, because the mean of its divisors is an integer number (4969810560).

Almost surely, 2^131561371053 is an apocalyptic number.

It is an amenable number.

131561371053 is a deficient number, since it is larger than the sum of its proper divisors (106989535827).

131561371053 is a wasteful number, since it uses less digits than its factorization.

131561371053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4778718 (or 4778715 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The spelling of 131561371053 in words is "one hundred thirty-one billion, five hundred sixty-one million, three hundred seventy-one thousand, fifty-three".