11996135797 has 2 divisors, whose sum is σ = 11996135798. Its totient is φ = 11996135796.

The previous prime is 11996135761. The next prime is 11996135861. The reversal of 11996135797 is 79753169911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7322909476 + 4673226321 = 85574^2 + 68361^2 .

It is a cyclic number.

It is not a de Polignac number, because 11996135797 - 2¹¹ = 11996133749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11996135707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5998067898 + 5998067899.

It is an arithmetic number, because the mean of its divisors is an integer number (5998067899).

Almost surely, 2^11996135797 is an apocalyptic number.

It is an amenable number.

11996135797 is a deficient number, since it is larger than the sum of its proper divisors (1).

11996135797 is an equidigital number, since it uses as much as digits as its factorization.

11996135797 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3214890, while the sum is 58.

The spelling of 11996135797 in words is "eleven billion, nine hundred ninety-six million, one hundred thirty-five thousand, seven hundred ninety-seven".