11135656136 has 24 divisors (see below), whose sum is σ = 22950037110. Its totient is φ = 5061661440.

The previous prime is 11135656127. The next prime is 11135656139. The reversal of 11135656136 is 63165653111.

It can be written as a sum of positive squares in only one way, i.e., 7267562500 + 3868093636 = 85250^2 + 62194^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11135656136.

It is not an unprimeable number, because it can be changed into a prime (11135656139) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5750921 + ... + 5752856.

Almost surely, 2^11135656136 is an apocalyptic number.

It is an amenable number.

11135656136 is an abundant number, since it is smaller than the sum of its proper divisors (11814380974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11135656136 is a wasteful number, since it uses less digits than its factorization.

11135656136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11503805 (or 11503790 counting only the distinct ones).

The product of its digits is 48600, while the sum is 38.

The spelling of 11135656136 in words is "eleven billion, one hundred thirty-five million, six hundred fifty-six thousand, one hundred thirty-six".