112891948129 has 2 divisors, whose sum is σ = 112891948130. Its totient is φ = 112891948128.

The previous prime is 112891948067. The next prime is 112891948159. The reversal of 112891948129 is 921849198211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100902793104 + 11989155025 = 317652^2 + 109495^2 .

It is an emirp because it is prime and its reverse (921849198211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112891948129 - 2¹¹ = 112891946081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112891948129.

It is not a weakly prime, because it can be changed into another prime (112891948159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56445974064 + 56445974065.

It is an arithmetic number, because the mean of its divisors is an integer number (56445974065).

Almost surely, 2^112891948129 is an apocalyptic number.

It is an amenable number.

112891948129 is a deficient number, since it is larger than the sum of its proper divisors (1).

112891948129 is an equidigital number, since it uses as much as digits as its factorization.

112891948129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 55.

The spelling of 112891948129 in words is "one hundred twelve billion, eight hundred ninety-one million, nine hundred forty-eight thousand, one hundred twenty-nine".