112891946081 has 2 divisors, whose sum is σ = 112891946082. Its totient is φ = 112891946080.

The previous prime is 112891946051. The next prime is 112891946093. The reversal of 112891946081 is 180649198211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83453965456 + 29437980625 = 288884^2 + 171575^2 .

It is a cyclic number.

It is not a de Polignac number, because 112891946081 - 2¹⁸ = 112891683937 is a prime.

It is a super-2 number, since 2×112891946081² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (112891946051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56445973040 + 56445973041.

It is an arithmetic number, because the mean of its divisors is an integer number (56445973041).

Almost surely, 2^112891946081 is an apocalyptic number.

It is an amenable number.

112891946081 is a deficient number, since it is larger than the sum of its proper divisors (1).

112891946081 is an equidigital number, since it uses as much as digits as its factorization.

112891946081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 50.

The spelling of 112891946081 in words is "one hundred twelve billion, eight hundred ninety-one million, nine hundred forty-six thousand, eighty-one".