111143115299 has 2 divisors, whose sum is σ = 111143115300. Its totient is φ = 111143115298.

The previous prime is 111143115241. The next prime is 111143115311. The reversal of 111143115299 is 992511341111.

It is a strong prime.

It is an emirp because it is prime and its reverse (992511341111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111143115299 - 2⁸ = 111143115043 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (111143112299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55571557649 + 55571557650.

It is an arithmetic number, because the mean of its divisors is an integer number (55571557650).

Almost surely, 2^111143115299 is an apocalyptic number.

111143115299 is a deficient number, since it is larger than the sum of its proper divisors (1).

111143115299 is an equidigital number, since it uses as much as digits as its factorization.

111143115299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 38.

The spelling of 111143115299 in words is "one hundred eleven billion, one hundred forty-three million, one hundred fifteen thousand, two hundred ninety-nine".