11100609979 has 2 divisors, whose sum is σ = 11100609980. Its totient is φ = 11100609978.

The previous prime is 11100609973. The next prime is 11100610021. The reversal of 11100609979 is 97990600111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11100609979 - 2²⁵ = 11067055547 is a prime.

It is not a weakly prime, because it can be changed into another prime (11100609973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550304989 + 5550304990.

It is an arithmetic number, because the mean of its divisors is an integer number (5550304990).

Almost surely, 2^11100609979 is an apocalyptic number.

11100609979 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100609979 is an equidigital number, since it uses as much as digits as its factorization.

11100609979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 43.

The spelling of 11100609979 in words is "eleven billion, one hundred million, six hundred nine thousand, nine hundred seventy-nine".