11660788757 has 2 divisors, whose sum is σ = 11660788758. Its totient is φ = 11660788756.

The previous prime is 11660788751. The next prime is 11660788781. The reversal of 11660788757 is 75788706611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6312938116 + 5347850641 = 79454^2 + 73129^2 .

It is a cyclic number.

It is not a de Polignac number, because 11660788757 - 2¹² = 11660784661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11660788751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5830394378 + 5830394379.

It is an arithmetic number, because the mean of its divisors is an integer number (5830394379).

Almost surely, 2^11660788757 is an apocalyptic number.

It is an amenable number.

11660788757 is a deficient number, since it is larger than the sum of its proper divisors (1).

11660788757 is an equidigital number, since it uses as much as digits as its factorization.

11660788757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3951360, while the sum is 56.

The spelling of 11660788757 in words is "eleven billion, six hundred sixty million, seven hundred eighty-eight thousand, seven hundred fifty-seven".