112691127138 has 8 divisors (see below), whose sum is σ = 225382254288. Its totient is φ = 37563709044.

The previous prime is 112691127137. The next prime is 112691127167. The reversal of 112691127138 is 831721196211.

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

112691127138 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 112691127138.

It is not an unprimeable number, because it can be changed into a prime (112691127137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9390927256 + ... + 9390927267.

It is an arithmetic number, because the mean of its divisors is an integer number (28172781786).

Almost surely, 2^112691127138 is an apocalyptic number.

112691127138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112691127138 is a wasteful number, since it uses less digits than its factorization.

112691127138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18781854528.

The product of its digits is 36288, while the sum is 42.

The spelling of 112691127138 in words is "one hundred twelve billion, six hundred ninety-one million, one hundred twenty-seven thousand, one hundred thirty-eight".