11279767117 has 2 divisors, whose sum is σ = 11279767118. Its totient is φ = 11279767116.

The previous prime is 11279767099. The next prime is 11279767151. The reversal of 11279767117 is 71176797211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11276103721 + 3663396 = 106189^2 + 1914^2 .

It is a cyclic number.

It is not a de Polignac number, because 11279767117 - 2⁷ = 11279766989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11279767717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5639883558 + 5639883559.

It is an arithmetic number, because the mean of its divisors is an integer number (5639883559).

Almost surely, 2^11279767117 is an apocalyptic number.

It is an amenable number.

11279767117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11279767117 is an equidigital number, since it uses as much as digits as its factorization.

11279767117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 259308, while the sum is 49.

The spelling of 11279767117 in words is "eleven billion, two hundred seventy-nine million, seven hundred sixty-seven thousand, one hundred seventeen".