112991415 has 16 divisors (see below), whose sum is σ = 181512576. Its totient is φ = 60020000.

The previous prime is 112991407. The next prime is 112991419. The reversal of 112991415 is 514199211.

It is not a de Polignac number, because 112991415 - 2³ = 112991407 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112991419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11241 + ... + 18770.

It is an arithmetic number, because the mean of its divisors is an integer number (11344536).

Almost surely, 2^112991415 is an apocalyptic number.

112991415 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

112991415 is a deficient number, since it is larger than the sum of its proper divisors (68521161).

112991415 is a wasteful number, since it uses less digits than its factorization.

112991415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30270.

The product of its digits is 3240, while the sum is 33.

The square root of 112991415 is about 10629.7420006320. The cubic root of 112991415 is about 483.4465690562.

The spelling of 112991415 in words is "one hundred twelve million, nine hundred ninety-one thousand, four hundred fifteen".