112491559 has 2 divisors, whose sum is σ = 112491560. Its totient is φ = 112491558.

The previous prime is 112491557. The next prime is 112491563. The reversal of 112491559 is 955194211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112491559 - 2¹ = 112491557 is a prime.

Together with 112491557, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112491557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56245779 + 56245780.

It is an arithmetic number, because the mean of its divisors is an integer number (56245780).

Almost surely, 2^112491559 is an apocalyptic number.

112491559 is a deficient number, since it is larger than the sum of its proper divisors (1).

112491559 is an equidigital number, since it uses as much as digits as its factorization.

112491559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 37.

The square root of 112491559 is about 10606.2037977780. The cubic root of 112491559 is about 482.7326183773.

It can be divided in two parts, 112491 and 559, that added together give a triangular number (113050 = T₄₇₅).

The spelling of 112491559 in words is "one hundred twelve million, four hundred ninety-one thousand, five hundred fifty-nine".