1112244446857 has 2 divisors, whose sum is σ = 1112244446858. Its totient is φ = 1112244446856.

The previous prime is 1112244446777. The next prime is 1112244446879. The reversal of 1112244446857 is 7586444422111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1103296043641 + 8948403216 = 1050379^2 + 94596^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1112244446857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1112244446857.

It is not a weakly prime, because it can be changed into another prime (1112244441857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556122223428 + 556122223429.

It is an arithmetic number, because the mean of its divisors is an integer number (556122223429).

Almost surely, 2^{1112244446857} is an apocalyptic number.

It is an amenable number.

1112244446857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112244446857 is an equidigital number, since it uses as much as digits as its factorization.

1112244446857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1720320, while the sum is 49.

Adding to 1112244446857 its reverse (7586444422111), we get a palindrome (8698688868968).

The spelling of 1112244446857 in words is "one trillion, one hundred twelve billion, two hundred forty-four million, four hundred forty-six thousand, eight hundred fifty-seven".