1113045999 has 24 divisors (see below), whose sum is σ = 1612461312. Its totient is φ = 682624800.

The previous prime is 1113045977. The next prime is 1113046001. The reversal of 1113045999 is 9995403111.

It is not a de Polignac number, because 1113045999 - 2²⁰ = 1111997423 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1113045999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113045919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 152074 + ... + 159224.

It is an arithmetic number, because the mean of its divisors is an integer number (67185888).

Almost surely, 2^1113045999 is an apocalyptic number.

1113045999 is a deficient number, since it is larger than the sum of its proper divisors (499415313).

1113045999 is a wasteful number, since it uses less digits than its factorization.

1113045999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7487 (or 7474 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 42.

The square root of 1113045999 is about 33362.3440273611. The cubic root of 1113045999 is about 1036.3450346580.

The spelling of 1113045999 in words is "one billion, one hundred thirteen million, forty-five thousand, nine hundred ninety-nine".