112775886989 has 2 divisors, whose sum is σ = 112775886990. Its totient is φ = 112775886988.

The previous prime is 112775886973. The next prime is 112775887033. The reversal of 112775886989 is 989688577211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102613230889 + 10162656100 = 320333^2 + 100810^2 .

It is a cyclic number.

It is not a de Polignac number, because 112775886989 - 2⁴ = 112775886973 is a prime.

It is a super-2 number, since 2×112775886989² (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 (112775886929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56387943494 + 56387943495.

It is an arithmetic number, because the mean of its divisors is an integer number (56387943495).

Almost surely, 2^112775886989 is an apocalyptic number.

It is an amenable number.

112775886989 is a deficient number, since it is larger than the sum of its proper divisors (1).

112775886989 is an equidigital number, since it uses as much as digits as its factorization.

112775886989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 121927680, while the sum is 71.

The spelling of 112775886989 in words is "one hundred twelve billion, seven hundred seventy-five million, eight hundred eighty-six thousand, nine hundred eighty-nine".