11726269697 has 2 divisors, whose sum is σ = 11726269698. Its totient is φ = 11726269696.

The previous prime is 11726269661. The next prime is 11726269727. The reversal of 11726269697 is 79696262711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5976990721 + 5749278976 = 77311^2 + 75824^2 .

It is a cyclic number.

It is not a de Polignac number, because 11726269697 - 2²⁴ = 11709492481 is a prime.

It is not a weakly prime, because it can be changed into another prime (11726269627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5863134848 + 5863134849.

It is an arithmetic number, because the mean of its divisors is an integer number (5863134849).

Almost surely, 2^11726269697 is an apocalyptic number.

It is an amenable number.

11726269697 is a deficient number, since it is larger than the sum of its proper divisors (1).

11726269697 is an equidigital number, since it uses as much as digits as its factorization.

11726269697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3429216, while the sum is 56.

The spelling of 11726269697 in words is "eleven billion, seven hundred twenty-six million, two hundred sixty-nine thousand, six hundred ninety-seven".