112457788889 has 8 divisors (see below), whose sum is σ = 113315905800. Its totient is φ = 111601050496.

The previous prime is 112457788873. The next prime is 112457788951. The reversal of 112457788889 is 988887754211.

It can be written as a sum of positive squares in 4 ways, for example, as 2023200400 + 110434588489 = 44980^2 + 332317^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112457788889 - 2⁴ = 112457788873 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (112457788489) 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 in 7 ways as a sum of consecutive naturals, for example, 180554 + ... + 507459.

It is an arithmetic number, because the mean of its divisors is an integer number (14164488225).

Almost surely, 2^112457788889 is an apocalyptic number.

It is an amenable number.

112457788889 is a deficient number, since it is larger than the sum of its proper divisors (858116911).

112457788889 is a wasteful number, since it uses less digits than its factorization.

112457788889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689259.

The product of its digits is 72253440, while the sum is 68.

The spelling of 112457788889 in words is "one hundred twelve billion, four hundred fifty-seven million, seven hundred eighty-eight thousand, eight hundred eighty-nine".