12635780113 has 16 divisors (see below), whose sum is σ = 13898529792. Its totient is φ = 11392290000.

The previous prime is 12635780051. The next prime is 12635780117. The reversal of 12635780113 is 31108753621.

It is a cyclic number.

It is not a de Polignac number, because 12635780113 - 2¹³ = 12635771921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12635780117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1062108 + ... + 1073938.

It is an arithmetic number, because the mean of its divisors is an integer number (868658112).

Almost surely, 2^12635780113 is an apocalyptic number.

It is an amenable number.

12635780113 is a deficient number, since it is larger than the sum of its proper divisors (1262749679).

12635780113 is a wasteful number, since it uses less digits than its factorization.

12635780113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12636.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 12635780113 in words is "twelve billion, six hundred thirty-five million, seven hundred eighty thousand, one hundred thirteen".