11640665753 has 2 divisors, whose sum is σ = 11640665754. Its totient is φ = 11640665752.

The previous prime is 11640665749. The next prime is 11640665779. The reversal of 11640665753 is 35756604611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8536281664 + 3104384089 = 92392^2 + 55717^2 .

It is a cyclic number.

It is not a de Polignac number, because 11640665753 - 2² = 11640665749 is a prime.

It is not a weakly prime, because it can be changed into another prime (11640665353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5820332876 + 5820332877.

It is an arithmetic number, because the mean of its divisors is an integer number (5820332877).

Almost surely, 2^11640665753 is an apocalyptic number.

It is an amenable number.

11640665753 is a deficient number, since it is larger than the sum of its proper divisors (1).

11640665753 is an equidigital number, since it uses as much as digits as its factorization.

11640665753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 44.

The spelling of 11640665753 in words is "eleven billion, six hundred forty million, six hundred sixty-five thousand, seven hundred fifty-three".