53231331121345 has 16 divisors (see below), whose sum is σ = 68791410752400. Its totient is φ = 39309203775744.

The previous prime is 53231331121343. The next prime is 53231331121349. The reversal of 53231331121345 is 54312113313235.

It can be written as a sum of positive squares in 8 ways, for example, as 872040336561 + 52359290784784 = 933831^2 + 7235972^2 .

It is a cyclic number.

It is not a de Polignac number, because 53231331121345 - 2¹ = 53231331121343 is a prime.

It is a super-2 number, since 2×53231331121345² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53231331121343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57025431 + ... + 57951379.

It is an arithmetic number, because the mean of its divisors is an integer number (4299463172025).

Almost surely, 2^{53231331121345} is an apocalyptic number.

It is an amenable number.

53231331121345 is a deficient number, since it is larger than the sum of its proper divisors (15560079631055).

53231331121345 is a wasteful number, since it uses less digits than its factorization.

53231331121345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810404.

The product of its digits is 97200, while the sum is 37.

The spelling of 53231331121345 in words is "fifty-three trillion, two hundred thirty-one billion, three hundred thirty-one million, one hundred twenty-one thousand, three hundred forty-five".