131152122130225 has 72 divisors (see below), whose sum is σ = 198267515156160. Its totient is φ = 85647108919680.

The previous prime is 131152122130091. The next prime is 131152122130229. The reversal of 131152122130225 is 522031221251131.

It is not a de Polignac number, because 131152122130225 - 2⁹ = 131152122129713 is a prime.

It is a super-2 number, since 2×131152122130225² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131152122130229) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3711487 + ... + 16615636.

It is an arithmetic number, because the mean of its divisors is an integer number (2753715488280).

Almost surely, 2^{131152122130225} is an apocalyptic number.

It is an amenable number.

131152122130225 is a deficient number, since it is larger than the sum of its proper divisors (67115393025935).

131152122130225 is a wasteful number, since it uses less digits than its factorization.

131152122130225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20327399 (or 20327387 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

Adding to 131152122130225 its reverse (522031221251131), we get a palindrome (653183343381356).

The spelling of 131152122130225 in words is "one hundred thirty-one trillion, one hundred fifty-two billion, one hundred twenty-two million, one hundred thirty thousand, two hundred twenty-five".