1109959174115 has 24 divisors (see below), whose sum is σ = 1464220418640. Its totient is φ = 807146493120.

The previous prime is 1109959174099. The next prime is 1109959174133. The reversal of 1109959174115 is 5114719599011.

It is a Cunningham number, because it is equal to 1053546²-1.

It is not a de Polignac number, because 1109959174115 - 2⁴ = 1109959174099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5162381 + ... + 5373089.

It is an arithmetic number, because the mean of its divisors is an integer number (61009184110).

Almost surely, 2^{1109959174115} is an apocalyptic number.

1109959174115 is a deficient number, since it is larger than the sum of its proper divisors (354261244525).

1109959174115 is a wasteful number, since it uses less digits than its factorization.

1109959174115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219443 (or 219432 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 53.

The spelling of 1109959174115 in words is "one trillion, one hundred nine billion, nine hundred fifty-nine million, one hundred seventy-four thousand, one hundred fifteen".