131115320400525 has 24 divisors (see below), whose sum is σ = 216779099606784. Its totient is φ = 69927599952000.

The previous prime is 131115320400437. The next prime is 131115320400557. The reversal of 131115320400525 is 525004023511131.

It is not a de Polignac number, because 131115320400525 - 2¹⁴ = 131115320384141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2191497 + ... + 16341153.

It is an arithmetic number, because the mean of its divisors is an integer number (9032462483616).

Almost surely, 2^{131115320400525} is an apocalyptic number.

131115320400525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

131115320400525 is a deficient number, since it is larger than the sum of its proper divisors (85663779206259).

131115320400525 is a wasteful number, since it uses less digits than its factorization.

131115320400525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14273221 (or 14273216 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

Adding to 131115320400525 its reverse (525004023511131), we get a palindrome (656119343911656).

The spelling of 131115320400525 in words is "one hundred thirty-one trillion, one hundred fifteen billion, three hundred twenty million, four hundred thousand, five hundred twenty-five".