112455777789 has 64 divisors (see below), whose sum is σ = 180748800000. Its totient is φ = 68888014272.

The previous prime is 112455777769. The next prime is 112455777799. The reversal of 112455777789 is 987777554211.

112455777789 is a `hidden beast` number, since 1 + 1 + 2 + 4 + 557 + 7 + 7 + 78 + 9 = 666.

It is not a de Polignac number, because 112455777789 - 2¹⁶ = 112455712253 is a prime.

It is a Curzon number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112455777769) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3568102 + ... + 3599480.

It is an arithmetic number, because the mean of its divisors is an integer number (2824200000).

Almost surely, 2^112455777789 is an apocalyptic number.

It is an amenable number.

112455777789 is a deficient number, since it is larger than the sum of its proper divisors (68293022211).

112455777789 is a wasteful number, since it uses less digits than its factorization.

112455777789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31639 (or 31633 counting only the distinct ones).

The product of its digits is 34574400, while the sum is 63.

The spelling of 112455777789 in words is "one hundred twelve billion, four hundred fifty-five million, seven hundred seventy-seven thousand, seven hundred eighty-nine".