1112112557 has 2 divisors, whose sum is σ = 1112112558. Its totient is φ = 1112112556.

The previous prime is 1112112523. The next prime is 1112112563. The reversal of 1112112557 is 7552112111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 778465801 + 333646756 = 27901^2 + 18266^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112112557 - 2⁸ = 1112112301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112112257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556056278 + 556056279.

It is an arithmetic number, because the mean of its divisors is an integer number (556056279).

Almost surely, 2^1112112557 is an apocalyptic number.

It is an amenable number.

1112112557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112112557 is an equidigital number, since it uses as much as digits as its factorization.

1112112557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 700, while the sum is 26.

The square root of 1112112557 is about 33348.3516384243. The cubic root of 1112112557 is about 1036.0552477332.

Adding to 1112112557 its reverse (7552112111), we get a palindrome (8664224668).

The spelling of 1112112557 in words is "one billion, one hundred twelve million, one hundred twelve thousand, five hundred fifty-seven".