11649509113 has 16 divisors (see below), whose sum is σ = 13038408000. Its totient is φ = 10318766080.

The previous prime is 11649509087. The next prime is 11649509147. The reversal of 11649509113 is 31190594611.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11649509113 is a prime.

It is a super-2 number, since 2×11649509113² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11649509413) 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, 6088 + ... + 152761.

It is an arithmetic number, because the mean of its divisors is an integer number (814900500).

Almost surely, 2^11649509113 is an apocalyptic number.

It is an amenable number.

11649509113 is a deficient number, since it is larger than the sum of its proper divisors (1388898887).

11649509113 is a wasteful number, since it uses less digits than its factorization.

11649509113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159032.

The product of its (nonzero) digits is 29160, while the sum is 40.

The spelling of 11649509113 in words is "eleven billion, six hundred forty-nine million, five hundred nine thousand, one hundred thirteen".