112563991 has 2 divisors, whose sum is σ = 112563992. Its totient is φ = 112563990.

The previous prime is 112563967. The next prime is 112564003. The reversal of 112563991 is 199365211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112563991 - 2⁵ = 112563959 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 112563991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112563911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56281995 + 56281996.

It is an arithmetic number, because the mean of its divisors is an integer number (56281996).

Almost surely, 2^112563991 is an apocalyptic number.

112563991 is a deficient number, since it is larger than the sum of its proper divisors (1).

112563991 is an equidigital number, since it uses as much as digits as its factorization.

112563991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14580, while the sum is 37.

The square root of 112563991 is about 10609.6178536270. The cubic root of 112563991 is about 482.8362047780.

The spelling of 112563991 in words is "one hundred twelve million, five hundred sixty-three thousand, nine hundred ninety-one".