111252818051 has 2 divisors, whose sum is σ = 111252818052. Its totient is φ = 111252818050.

The previous prime is 111252818023. The next prime is 111252818057. The reversal of 111252818051 is 150818252111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111252818051 is a prime.

It is a super-2 number, since 2×111252818051² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (111252818057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55626409025 + 55626409026.

It is an arithmetic number, because the mean of its divisors is an integer number (55626409026).

Almost surely, 2^111252818051 is an apocalyptic number.

111252818051 is a deficient number, since it is larger than the sum of its proper divisors (1).

111252818051 is an equidigital number, since it uses as much as digits as its factorization.

111252818051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6400, while the sum is 35.

The spelling of 111252818051 in words is "one hundred eleven billion, two hundred fifty-two million, eight hundred eighteen thousand, fifty-one".