1108979711 has 16 divisors (see below), whose sum is σ = 1320806400. Its totient is φ = 930315960.

The previous prime is 1108979689. The next prime is 1108979713. The reversal of 1108979711 is 1179798011.

It is a de Polignac number, because none of the positive numbers 2^k-1108979711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108979713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18275 + ... + 50516.

It is an arithmetic number, because the mean of its divisors is an integer number (82550400).

Almost surely, 2^1108979711 is an apocalyptic number.

1108979711 is a deficient number, since it is larger than the sum of its proper divisors (211826689).

1108979711 is an frugal number, since it uses more digits than its factorization.

1108979711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68859 (or 68845 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 44.

The square root of 1108979711 is about 33301.3469847692. The cubic root of 1108979711 is about 1035.0814691563.

The spelling of 1108979711 in words is "one billion, one hundred eight million, nine hundred seventy-nine thousand, seven hundred eleven".