11866053757 has 2 divisors, whose sum is σ = 11866053758. Its totient is φ = 11866053756.

The previous prime is 11866053751. The next prime is 11866053919. The reversal of 11866053757 is 75735066811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9176490436 + 2689563321 = 95794^2 + 51861^2 .

It is a cyclic number.

It is not a de Polignac number, because 11866053757 - 2¹¹ = 11866051709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11866053757.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11866053751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5933026878 + 5933026879.

It is an arithmetic number, because the mean of its divisors is an integer number (5933026879).

Almost surely, 2^11866053757 is an apocalyptic number.

It is an amenable number.

11866053757 is a deficient number, since it is larger than the sum of its proper divisors (1).

11866053757 is an equidigital number, since it uses as much as digits as its factorization.

11866053757 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 49.

The spelling of 11866053757 in words is "eleven billion, eight hundred sixty-six million, fifty-three thousand, seven hundred fifty-seven".