11768507731 has 2 divisors, whose sum is σ = 11768507732. Its totient is φ = 11768507730.

The previous prime is 11768507683. The next prime is 11768507743. The reversal of 11768507731 is 13770586711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11768507731 - 2¹⁹ = 11767983443 is a prime.

It is a super-2 number, since 2×11768507731² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11768504731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5884253865 + 5884253866.

It is an arithmetic number, because the mean of its divisors is an integer number (5884253866).

Almost surely, 2^11768507731 is an apocalyptic number.

11768507731 is a deficient number, since it is larger than the sum of its proper divisors (1).

11768507731 is an equidigital number, since it uses as much as digits as its factorization.

11768507731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 246960, while the sum is 46.

The spelling of 11768507731 in words is "eleven billion, seven hundred sixty-eight million, five hundred seven thousand, seven hundred thirty-one".