52521226131 has 32 divisors (see below), whose sum is σ = 79809085440. Its totient is φ = 30433053600.

The previous prime is 52521226117. The next prime is 52521226139. The reversal of 52521226131 is 13162212525.

It is not a de Polignac number, because 52521226131 - 2⁶ = 52521226067 is a prime.

It is a super-2 number, since 2×52521226131² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52521226139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224371 + ... + 394188.

It is an arithmetic number, because the mean of its divisors is an integer number (2494033920).

Almost surely, 2^52521226131 is an apocalyptic number.

52521226131 is a deficient number, since it is larger than the sum of its proper divisors (27287859309).

52521226131 is a wasteful number, since it uses less digits than its factorization.

52521226131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618687.

The product of its digits is 7200, while the sum is 30.

Adding to 52521226131 its reverse (13162212525), we get a palindrome (65683438656).

The spelling of 52521226131 in words is "fifty-two billion, five hundred twenty-one million, two hundred twenty-six thousand, one hundred thirty-one".