1113199999 has 2 divisors, whose sum is σ = 1113200000. Its totient is φ = 1113199998.

The previous prime is 1113199993. The next prime is 1113200017. The reversal of 1113199999 is 9999913111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113199999 is a prime.

1113199999 is a modest number, since divided by 99999 gives 11131 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113199993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556599999 + 556600000.

It is an arithmetic number, because the mean of its divisors is an integer number (556600000).

Almost surely, 2^1113199999 is an apocalyptic number.

1113199999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113199999 is an equidigital number, since it uses as much as digits as its factorization.

1113199999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 177147, while the sum is 52.

The square root of 1113199999 is about 33364.6519388409. The cubic root of 1113199999 is about 1036.3928283627.

The spelling of 1113199999 in words is "one billion, one hundred thirteen million, one hundred ninety-nine thousand, nine hundred ninety-nine".