131120235122553 has 64 divisors (see below), whose sum is σ = 207476450058240. Its totient is φ = 81553839494400.

The previous prime is 131120235122491. The next prime is 131120235122563. The reversal of 131120235122553 is 355221532021131.

131120235122553 is a `hidden beast` number, since 1 + 3 + 1 + 12 + 0 + 23 + 51 + 22 + 553 = 666.

It is not a de Polignac number, because 131120235122553 - 2²⁶ = 131120168013689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131120235122563) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 53580676 + ... + 55974362.

It is an arithmetic number, because the mean of its divisors is an integer number (3241819532160).

Almost surely, 2^{131120235122553} is an apocalyptic number.

It is an amenable number.

131120235122553 is a deficient number, since it is larger than the sum of its proper divisors (76356214935687).

131120235122553 is a wasteful number, since it uses less digits than its factorization.

131120235122553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394755 (or 2394749 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 131120235122553 its reverse (355221532021131), we get a palindrome (486341767143684).

The spelling of 131120235122553 in words is "one hundred thirty-one trillion, one hundred twenty billion, two hundred thirty-five million, one hundred twenty-two thousand, five hundred fifty-three".