11651797688207 has 2 divisors, whose sum is σ = 11651797688208. Its totient is φ = 11651797688206.

The previous prime is 11651797688159. The next prime is 11651797688239. The reversal of 11651797688207 is 70288679715611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11651797688207 - 2³⁴ = 11634617819023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11651797688257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5825898844103 + 5825898844104.

It is an arithmetic number, because the mean of its divisors is an integer number (5825898844104).

Almost surely, 2^{11651797688207} is an apocalyptic number.

11651797688207 is a deficient number, since it is larger than the sum of its proper divisors (1).

11651797688207 is an equidigital number, since it uses as much as digits as its factorization.

11651797688207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71124480, while the sum is 68.

The spelling of 11651797688207 in words is "eleven trillion, six hundred fifty-one billion, seven hundred ninety-seven million, six hundred eighty-eight thousand, two hundred seven".