131213025124515 has 24 divisors (see below), whose sum is σ = 228455802207360. Its totient is φ = 69666467145984.

The previous prime is 131213025124499. The next prime is 131213025124579. The reversal of 131213025124515 is 515421520312131.

131213025124515 is a `hidden beast` number, since 1 + 3 + 1 + 2 + 13 + 0 + 2 + 5 + 124 + 515 = 666.

It is not a de Polignac number, because 131213025124515 - 2⁴ = 131213025124499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 131213025124515.

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, 6537759030 + ... + 6537779099.

It is an arithmetic number, because the mean of its divisors is an integer number (9518991758640).

Almost surely, 2^{131213025124515} is an apocalyptic number.

131213025124515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

131213025124515 is a deficient number, since it is larger than the sum of its proper divisors (97242777082845).

131213025124515 is a wasteful number, since it uses less digits than its factorization.

131213025124515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13075538363 (or 13075538360 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

Adding to 131213025124515 its reverse (515421520312131), we get a palindrome (646634545436646).

The spelling of 131213025124515 in words is "one hundred thirty-one trillion, two hundred thirteen billion, twenty-five million, one hundred twenty-four thousand, five hundred fifteen".