11136556065 has 16 divisors (see below), whose sum is σ = 17853508800. Its totient is φ = 5927823552.

The previous prime is 11136556003. The next prime is 11136556201. The reversal of 11136556065 is 56065563111.

It is not a de Polignac number, because 11136556065 - 2⁸ = 11136555809 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721675 + ... + 736944.

It is an arithmetic number, because the mean of its divisors is an integer number (1115844300).

Almost surely, 2^11136556065 is an apocalyptic number.

11136556065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11136556065 is a deficient number, since it is larger than the sum of its proper divisors (6716952735).

11136556065 is a wasteful number, since it uses less digits than its factorization.

11136556065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459136.

The product of its (nonzero) digits is 81000, while the sum is 39.

The spelling of 11136556065 in words is "eleven billion, one hundred thirty-six million, five hundred fifty-six thousand, sixty-five".