112487631257 has 2 divisors, whose sum is σ = 112487631258. Its totient is φ = 112487631256.

The previous prime is 112487631251. The next prime is 112487631323. The reversal of 112487631257 is 752136784211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110532311296 + 1955319961 = 332464^2 + 44219^2 .

It is an emirp because it is prime and its reverse (752136784211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112487631257 is a prime.

It is not a weakly prime, because it can be changed into another prime (112487631251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56243815628 + 56243815629.

It is an arithmetic number, because the mean of its divisors is an integer number (56243815629).

Almost surely, 2^112487631257 is an apocalyptic number.

It is an amenable number.

112487631257 is a deficient number, since it is larger than the sum of its proper divisors (1).

112487631257 is an equidigital number, since it uses as much as digits as its factorization.

112487631257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 564480, while the sum is 47.

The spelling of 112487631257 in words is "one hundred twelve billion, four hundred eighty-seven million, six hundred thirty-one thousand, two hundred fifty-seven".