111434553199 has 2 divisors, whose sum is σ = 111434553200. Its totient is φ = 111434553198.

The previous prime is 111434553193. The next prime is 111434553211. The reversal of 111434553199 is 991355434111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111434553199 - 2⁹ = 111434552687 is a prime.

It is a super-2 number, since 2×111434553199² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111434553193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55717276599 + 55717276600.

It is an arithmetic number, because the mean of its divisors is an integer number (55717276600).

Almost surely, 2^111434553199 is an apocalyptic number.

111434553199 is a deficient number, since it is larger than the sum of its proper divisors (1).

111434553199 is an equidigital number, since it uses as much as digits as its factorization.

111434553199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 46.

The spelling of 111434553199 in words is "one hundred eleven billion, four hundred thirty-four million, five hundred fifty-three thousand, one hundred ninety-nine".