112157815 has 24 divisors (see below), whose sum is σ = 170800272. Its totient is φ = 69914880.

The previous prime is 112157797. The next prime is 112157827. The reversal of 112157815 is 518751211.

It is not a de Polignac number, because 112157815 - 2¹⁷ = 112026743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18114 + ... + 23503.

It is an arithmetic number, because the mean of its divisors is an integer number (7116678).

Almost surely, 2^112157815 is an apocalyptic number.

112157815 is a deficient number, since it is larger than the sum of its proper divisors (58642457).

112157815 is a wasteful number, since it uses less digits than its factorization.

112157815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41647 (or 41640 counting only the distinct ones).

The product of its digits is 2800, while the sum is 31.

The square root of 112157815 is about 10590.4586775078. The cubic root of 112157815 is about 482.2547493186.

The spelling of 112157815 in words is "one hundred twelve million, one hundred fifty-seven thousand, eight hundred fifteen".