11309999999 has 2 divisors, whose sum is σ = 11310000000. Its totient is φ = 11309999998.

The previous prime is 11309999969. The next prime is 11310000007. The reversal of 11309999999 is 99999990311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11309999999 is a prime.

11309999999 is a modest number, since divided by 999999 gives 11309 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11309999969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5654999999 + 5655000000.

It is an arithmetic number, because the mean of its divisors is an integer number (5655000000).

Almost surely, 2^11309999999 is an apocalyptic number.

11309999999 is a deficient number, since it is larger than the sum of its proper divisors (1).

11309999999 is an equidigital number, since it uses as much as digits as its factorization.

11309999999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14348907, while the sum is 68.

The spelling of 11309999999 in words is "eleven billion, three hundred nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".