12510115135 has 32 divisors (see below), whose sum is σ = 17299464192. Its totient is φ = 8507281920.

The previous prime is 12510115097. The next prime is 12510115139. The reversal of 12510115135 is 53151101521.

It is not a de Polignac number, because 12510115135 - 2⁹ = 12510114623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12510115139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2316999 + ... + 2322391.

It is an arithmetic number, because the mean of its divisors is an integer number (540608256).

Almost surely, 2^12510115135 is an apocalyptic number.

12510115135 is a deficient number, since it is larger than the sum of its proper divisors (4789349057).

12510115135 is a wasteful number, since it uses less digits than its factorization.

12510115135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5943.

The product of its (nonzero) digits is 750, while the sum is 25.

Adding to 12510115135 its reverse (53151101521), we get a palindrome (65661216656).

The spelling of 12510115135 in words is "twelve billion, five hundred ten million, one hundred fifteen thousand, one hundred thirty-five".