112894938791209 has 3 divisors (see below), whose sum is σ = 112894949416413. Its totient is φ = 112894928166006.

The previous prime is 112894938791149. The next prime is 112894938791213. The reversal of 112894938791209 is 902197839498211.

The square root of 112894938791209 is 10625203.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 112894938791209 - 2⁷ = 112894938791081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112894938791249) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5312602 + ... + 15937804.

It is an arithmetic number, because the mean of its divisors is an integer number (37631649805471).

Almost surely, 2^{112894938791209} is an apocalyptic number.

112894938791209 is the 10625203-rd square number.

112894938791209 is the 5312602-nd centered octagonal number.

It is an amenable number.

112894938791209 is a deficient number, since it is larger than the sum of its proper divisors (10625204).

112894938791209 is an frugal number, since it uses more digits than its factorization.

112894938791209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21250406 (or 10625203 counting only the distinct ones).

The product of its (nonzero) digits is 141087744, while the sum is 73.

The spelling of 112894938791209 in words is "one hundred twelve trillion, eight hundred ninety-four billion, nine hundred thirty-eight million, seven hundred ninety-one thousand, two hundred nine".