112611609 has 48 divisors (see below), whose sum is σ = 185238144. Its totient is φ = 65318400.

The previous prime is 112611601. The next prime is 112611617. The reversal of 112611609 is 906116211.

It is an interprime number because it is at equal distance from previous prime (112611601) and next prime (112611617).

It is not a de Polignac number, because 112611609 - 2³ = 112611601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112611601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259857 + ... + 260289.

It is an arithmetic number, because the mean of its divisors is an integer number (3859128).

Almost surely, 2^112611609 is an apocalyptic number.

It is an amenable number.

112611609 is a deficient number, since it is larger than the sum of its proper divisors (72626535).

112611609 is a wasteful number, since it uses less digits than its factorization.

112611609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 112611609 is about 10611.8617122539. The cubic root of 112611609 is about 482.9042799913.

The spelling of 112611609 in words is "one hundred twelve million, six hundred eleven thousand, six hundred nine".