111945299 has 2 divisors, whose sum is σ = 111945300. Its totient is φ = 111945298.

The previous prime is 111945287. The next prime is 111945311. The reversal of 111945299 is 992549111.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (111945287) and next prime (111945311).

It is a cyclic number.

It is not a de Polignac number, because 111945299 - 2¹⁶ = 111879763 is a prime.

It is not a weakly prime, because it can be changed into another prime (111945199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55972649 + 55972650.

It is an arithmetic number, because the mean of its divisors is an integer number (55972650).

Almost surely, 2^111945299 is an apocalyptic number.

111945299 is a deficient number, since it is larger than the sum of its proper divisors (1).

111945299 is an equidigital number, since it uses as much as digits as its factorization.

111945299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 41.

The square root of 111945299 is about 10580.4205492977. The cubic root of 111945299 is about 481.9499655368.

The spelling of 111945299 in words is "one hundred eleven million, nine hundred forty-five thousand, two hundred ninety-nine".