112647641257 has 2 divisors, whose sum is σ = 112647641258. Its totient is φ = 112647641256.

The previous prime is 112647641207. The next prime is 112647641261. The reversal of 112647641257 is 752146746211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84361783401 + 28285857856 = 290451^2 + 168184^2 .

It is a cyclic number.

It is not a de Polignac number, because 112647641257 - 2¹⁹ = 112647116969 is a prime.

It is not a weakly prime, because it can be changed into another prime (112647641207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56323820628 + 56323820629.

It is an arithmetic number, because the mean of its divisors is an integer number (56323820629).

Almost surely, 2^112647641257 is an apocalyptic number.

It is an amenable number.

112647641257 is a deficient number, since it is larger than the sum of its proper divisors (1).

112647641257 is an equidigital number, since it uses as much as digits as its factorization.

112647641257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 46.

The spelling of 112647641257 in words is "one hundred twelve billion, six hundred forty-seven million, six hundred forty-one thousand, two hundred fifty-seven".