1113943215 has 96 divisors (see below), whose sum is σ = 2340264960. Its totient is φ = 446880000.

The previous prime is 1113943189. The next prime is 1113943277. The reversal of 1113943215 is 5123493111.

It is not a de Polignac number, because 1113943215 - 2⁵ = 1113943183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 232090 + ... + 236840.

It is an arithmetic number, because the mean of its divisors is an integer number (24377760).

Almost surely, 2^1113943215 is an apocalyptic number.

1113943215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1113943215 is an abundant number, since it is smaller than the sum of its proper divisors (1226321745).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1113943215 is a wasteful number, since it uses less digits than its factorization.

1113943215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4813 (or 4806 counting only the distinct ones).

The product of its digits is 3240, while the sum is 30.

The square root of 1113943215 is about 33375.7878558694. The cubic root of 1113943215 is about 1036.6234225587.

The spelling of 1113943215 in words is "one billion, one hundred thirteen million, nine hundred forty-three thousand, two hundred fifteen".