1112125515 has 32 divisors (see below), whose sum is σ = 1848130560. Its totient is φ = 570653184.

The previous prime is 1112125513. The next prime is 1112125519. The reversal of 1112125515 is 5155212111.

It is not a de Polignac number, because 1112125515 - 2¹ = 1112125513 is a prime.

It is a super-2 number, since 2×1112125515² = 2473646322228030450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1112125513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28227 + ... + 54963.

It is an arithmetic number, because the mean of its divisors is an integer number (57754080).

Almost surely, 2^1112125515 is an apocalyptic number.

1112125515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1112125515 is a deficient number, since it is larger than the sum of its proper divisors (736005045).

1112125515 is a wasteful number, since it uses less digits than its factorization.

1112125515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26851.

The product of its digits is 500, while the sum is 24.

The square root of 1112125515 is about 33348.5459203246. The cubic root of 1112125515 is about 1036.0592716520.

Adding to 1112125515 its reverse (5155212111), we get a palindrome (6267337626).

The spelling of 1112125515 in words is "one billion, one hundred twelve million, one hundred twenty-five thousand, five hundred fifteen".