1113511975 has 12 divisors (see below), whose sum is σ = 1382797656. Its totient is φ = 889491680.

The previous prime is 1113511969. The next prime is 1113512011. The reversal of 1113511975 is 5791153111.

It is not a de Polignac number, because 1113511975 - 2¹¹ = 1113509927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1113511975.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15532 + ... + 49681.

It is an arithmetic number, because the mean of its divisors is an integer number (115233138).

Almost surely, 2^1113511975 is an apocalyptic number.

1113511975 is a deficient number, since it is larger than the sum of its proper divisors (269285681).

1113511975 is an equidigital number, since it uses as much as digits as its factorization.

1113511975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65906 (or 65901 counting only the distinct ones).

The product of its digits is 4725, while the sum is 34.

The square root of 1113511975 is about 33369.3268586587. The cubic root of 1113511975 is about 1036.4896362108.

The spelling of 1113511975 in words is "one billion, one hundred thirteen million, five hundred eleven thousand, nine hundred seventy-five".