131265125215 has 16 divisors (see below), whose sum is σ = 181212940800. Its totient is φ = 89414272800.

The previous prime is 131265125203. The next prime is 131265125227. The reversal of 131265125215 is 512521562131.

It is an interprime number because it is at equal distance from previous prime (131265125203) and next prime (131265125227).

It is not a de Polignac number, because 131265125215 - 2²¹ = 131263028063 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12413365 + ... + 12423934.

It is an arithmetic number, because the mean of its divisors is an integer number (11325808800).

Almost surely, 2^131265125215 is an apocalyptic number.

131265125215 is a deficient number, since it is larger than the sum of its proper divisors (49947815585).

131265125215 is a wasteful number, since it uses less digits than its factorization.

131265125215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24837462.

The product of its digits is 18000, while the sum is 34.

Adding to 131265125215 its reverse (512521562131), we get a palindrome (643786687346).

The spelling of 131265125215 in words is "one hundred thirty-one billion, two hundred sixty-five million, one hundred twenty-five thousand, two hundred fifteen".