652806211131 has 6 divisors (see below), whose sum is σ = 942942304980. Its totient is φ = 435204140748.

The previous prime is 652806211129. The next prime is 652806211139. The reversal of 652806211131 is 131112608256.

652806211131 is a `hidden beast` number, since 6 + 5 + 28 + 0 + 621 + 1 + 1 + 3 + 1 = 666.

It is not a de Polignac number, because 652806211131 - 2¹ = 652806211129 is a prime.

It is a super-2 number, since 2×652806211131² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (652806211139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36267011721 + ... + 36267011738.

It is an arithmetic number, because the mean of its divisors is an integer number (157157050830).

Almost surely, 2^652806211131 is an apocalyptic number.

652806211131 is a deficient number, since it is larger than the sum of its proper divisors (290136093849).

652806211131 is a wasteful number, since it uses less digits than its factorization.

652806211131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72534023465 (or 72534023462 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

Adding to 652806211131 its reverse (131112608256), we get a palindrome (783918819387).

The spelling of 652806211131 in words is "six hundred fifty-two billion, eight hundred six million, two hundred eleven thousand, one hundred thirty-one".