1113011999 has 4 divisors (see below), whose sum is σ = 1214194920. Its totient is φ = 1011829080.

The previous prime is 1113011993. The next prime is 1113012013. The reversal of 1113011999 is 9991103111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1113011999 - 2⁴ = 1113011983 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 (1113011993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50591444 + ... + 50591465.

It is an arithmetic number, because the mean of its divisors is an integer number (303548730).

Almost surely, 2^1113011999 is an apocalyptic number.

1113011999 is a deficient number, since it is larger than the sum of its proper divisors (101182921).

1113011999 is a wasteful number, since it uses less digits than its factorization.

1113011999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101182920.

The product of its (nonzero) digits is 2187, while the sum is 35.

The square root of 1113011999 is about 33361.8344669474. The cubic root of 1113011999 is about 1036.3344822070.

The spelling of 1113011999 in words is "one billion, one hundred thirteen million, eleven thousand, nine hundred ninety-nine".