52223537311261 has 4 divisors (see below), whose sum is σ = 52536253103712. Its totient is φ = 51910821518812.

The previous prime is 52223537311247. The next prime is 52223537311291. The reversal of 52223537311261 is 16211373532225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52223537311261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52223537311291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156357895975 + ... + 156357896308.

It is an arithmetic number, because the mean of its divisors is an integer number (13134063275928).

Almost surely, 2^{52223537311261} is an apocalyptic number.

It is an amenable number.

52223537311261 is a deficient number, since it is larger than the sum of its proper divisors (312715792451).

52223537311261 is a wasteful number, since it uses less digits than its factorization.

52223537311261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312715792450.

The product of its digits is 453600, while the sum is 43.

The spelling of 52223537311261 in words is "fifty-two trillion, two hundred twenty-three billion, five hundred thirty-seven million, three hundred eleven thousand, two hundred sixty-one".