11230111999 has 2 divisors, whose sum is σ = 11230112000. Its totient is φ = 11230111998.

The previous prime is 11230111967. The next prime is 11230112009. The reversal of 11230111999 is 99911103211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11230111999 - 2⁵ = 11230111967 is a prime.

It is a super-2 number, since 2×11230111999² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11230111909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615055999 + 5615056000.

It is an arithmetic number, because the mean of its divisors is an integer number (5615056000).

Almost surely, 2^11230111999 is an apocalyptic number.

11230111999 is a deficient number, since it is larger than the sum of its proper divisors (1).

11230111999 is an equidigital number, since it uses as much as digits as its factorization.

11230111999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4374, while the sum is 37.

The spelling of 11230111999 in words is "eleven billion, two hundred thirty million, one hundred eleven thousand, nine hundred ninety-nine".