12635090915 has 16 divisors (see below), whose sum is σ = 15964020000. Its totient is φ = 9573725952.

The previous prime is 12635090869. The next prime is 12635090921. The reversal of 12635090915 is 51909053621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12635090915 - 2⁶ = 12635090851 is a prime.

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, 441461 + ... + 469209.

It is an arithmetic number, because the mean of its divisors is an integer number (997751250).

Almost surely, 2^12635090915 is an apocalyptic number.

12635090915 is a deficient number, since it is larger than the sum of its proper divisors (3328929085).

12635090915 is a wasteful number, since it uses less digits than its factorization.

12635090915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32566.

The product of its (nonzero) digits is 72900, while the sum is 41.

The spelling of 12635090915 in words is "twelve billion, six hundred thirty-five million, ninety thousand, nine hundred fifteen".