1111319999 has 2 divisors, whose sum is σ = 1111320000. Its totient is φ = 1111319998.

The previous prime is 1111319987. The next prime is 1111320011. The reversal of 1111319999 is 9999131111.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1111319987) and next prime (1111320011).

It is a cyclic number.

It is not a de Polignac number, because 1111319999 - 2⁴ = 1111319983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1111313999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555659999 + 555660000.

It is an arithmetic number, because the mean of its divisors is an integer number (555660000).

Almost surely, 2^1111319999 is an apocalyptic number.

1111319999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111319999 is an equidigital number, since it uses as much as digits as its factorization.

1111319999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19683, while the sum is 44.

The square root of 1111319999 is about 33336.4665044153. The cubic root of 1111319999 is about 1035.8090709081.

The spelling of 1111319999 in words is "one billion, one hundred eleven million, three hundred nineteen thousand, nine hundred ninety-nine".