1115552215 has 12 divisors (see below), whose sum is σ = 1364414184. Its totient is φ = 875592224.

The previous prime is 1115552209. The next prime is 1115552219. The reversal of 1115552215 is 5122555111.

It is not a de Polignac number, because 1115552215 - 2²⁵ = 1081997783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115552219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25669 + ... + 53758.

It is an arithmetic number, because the mean of its divisors is an integer number (113701182).

Almost surely, 2^1115552215 is an apocalyptic number.

1115552215 is a deficient number, since it is larger than the sum of its proper divisors (248861969).

1115552215 is an frugal number, since it uses more digits than its factorization.

1115552215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79538 (or 79485 counting only the distinct ones).

The product of its digits is 2500, while the sum is 28.

The square root of 1115552215 is about 33399.8834578805. The cubic root of 1115552215 is about 1037.1222884036.

The spelling of 1115552215 in words is "one billion, one hundred fifteen million, five hundred fifty-two thousand, two hundred fifteen".