11500608979 has 2 divisors, whose sum is σ = 11500608980. Its totient is φ = 11500608978.

The previous prime is 11500608943. The next prime is 11500608983. The reversal of 11500608979 is 97980600511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11500608979 - 2⁹ = 11500608467 is a prime.

It is not a weakly prime, because it can be changed into another prime (11500608179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5750304489 + 5750304490.

It is an arithmetic number, because the mean of its divisors is an integer number (5750304490).

Almost surely, 2^11500608979 is an apocalyptic number.

11500608979 is a deficient number, since it is larger than the sum of its proper divisors (1).

11500608979 is an equidigital number, since it uses as much as digits as its factorization.

11500608979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 46.

The spelling of 11500608979 in words is "eleven billion, five hundred million, six hundred eight thousand, nine hundred seventy-nine".