11726795837 has 2 divisors, whose sum is σ = 11726795838. Its totient is φ = 11726795836.

The previous prime is 11726795807. The next prime is 11726795849. The reversal of 11726795837 is 73859762711.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7269097081 + 4457698756 = 85259^2 + 66766^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11726795837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11726795807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5863397918 + 5863397919.

It is an arithmetic number, because the mean of its divisors is an integer number (5863397919).

Almost surely, 2^11726795837 is an apocalyptic number.

It is an amenable number.

11726795837 is a deficient number, since it is larger than the sum of its proper divisors (1).

11726795837 is an equidigital number, since it uses as much as digits as its factorization.

11726795837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4445280, while the sum is 56.

The spelling of 11726795837 in words is "eleven billion, seven hundred twenty-six million, seven hundred ninety-five thousand, eight hundred thirty-seven".