112434678721 has 2 divisors, whose sum is σ = 112434678722. Its totient is φ = 112434678720.

The previous prime is 112434678679. The next prime is 112434678757. The reversal of 112434678721 is 127876434211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106997681025 + 5436997696 = 327105^2 + 73736^2 .

It is an emirp because it is prime and its reverse (127876434211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112434678721 - 2⁷ = 112434678593 is a prime.

It is not a weakly prime, because it can be changed into another prime (112434673721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56217339360 + 56217339361.

It is an arithmetic number, because the mean of its divisors is an integer number (56217339361).

Almost surely, 2^112434678721 is an apocalyptic number.

It is an amenable number.

112434678721 is a deficient number, since it is larger than the sum of its proper divisors (1).

112434678721 is an equidigital number, since it uses as much as digits as its factorization.

112434678721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 46.

The spelling of 112434678721 in words is "one hundred twelve billion, four hundred thirty-four million, six hundred seventy-eight thousand, seven hundred twenty-one".