111211575151199 has 2 divisors, whose sum is σ = 111211575151200. Its totient is φ = 111211575151198.

The previous prime is 111211575151181. The next prime is 111211575151207. The reversal of 111211575151199 is 991151575112111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111211575151199 is a prime.

It is a super-2 number, since 2×111211575151199² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111211575151139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55605787575599 + 55605787575600.

It is an arithmetic number, because the mean of its divisors is an integer number (55605787575600).

Almost surely, 2^{111211575151199} is an apocalyptic number.

111211575151199 is a deficient number, since it is larger than the sum of its proper divisors (1).

111211575151199 is an equidigital number, since it uses as much as digits as its factorization.

111211575151199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 141750, while the sum is 50.

The spelling of 111211575151199 in words is "one hundred eleven trillion, two hundred eleven billion, five hundred seventy-five million, one hundred fifty-one thousand, one hundred ninety-nine".