112839864457321 has 9 divisors (see below), whose sum is σ = 115292304627031. Its totient is φ = 110438527637272.

The previous prime is 112839864457319. The next prime is 112839864457337. The reversal of 112839864457321 is 123754468938211.

The square root of 112839864457321 is 10622611.

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

It can be written as a sum of positive squares in only one way, i.e., 9574352120025 + 103265512337296 = 3094245^2 + 10161964^2 .

It is not a de Polignac number, because 112839864457321 - 2¹ = 112839864457319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112839862457321) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 499149711 + ... + 499375723.

Almost surely, 2^{112839864457321} is an apocalyptic number.

112839864457321 is the 10622611-st square number.

112839864457321 is the 5311306-th centered octagonal number.

It is an amenable number.

112839864457321 is a deficient number, since it is larger than the sum of its proper divisors (2452440169710).

112839864457321 is an frugal number, since it uses more digits than its factorization.

112839864457321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452120 (or 226060 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 64.

The spelling of 112839864457321 in words is "one hundred twelve trillion, eight hundred thirty-nine billion, eight hundred sixty-four million, four hundred fifty-seven thousand, three hundred twenty-one".