11636347613 has 16 divisors (see below), whose sum is σ = 12765161472. Its totient is φ = 10519470000.

The previous prime is 11636347603. The next prime is 11636347627. The reversal of 11636347613 is 31674363611.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11636347613 - 2²⁶ = 11569238749 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11636347603) 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, 2870438 + ... + 2874488.

It is an arithmetic number, because the mean of its divisors is an integer number (797822592).

Almost surely, 2^11636347613 is an apocalyptic number.

It is an amenable number.

11636347613 is a deficient number, since it is larger than the sum of its proper divisors (1128813859).

11636347613 is a wasteful number, since it uses less digits than its factorization.

11636347613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5456.

The product of its digits is 163296, while the sum is 41.

The spelling of 11636347613 in words is "eleven billion, six hundred thirty-six million, three hundred forty-seven thousand, six hundred thirteen".