1115345215 has 16 divisors (see below), whose sum is σ = 1347163776. Its totient is φ = 886464000.

The previous prime is 1115345171. The next prime is 1115345219. The reversal of 1115345215 is 5125435111.

It is not a de Polignac number, because 1115345215 - 2¹⁵ = 1115312447 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 (1115345219) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 585765 + ... + 587665.

It is an arithmetic number, because the mean of its divisors is an integer number (84197736).

Almost surely, 2^1115345215 is an apocalyptic number.

1115345215 is a deficient number, since it is larger than the sum of its proper divisors (231818561).

1115345215 is a wasteful number, since it uses less digits than its factorization.

1115345215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610.

The product of its digits is 3000, while the sum is 28.

The square root of 1115345215 is about 33396.7845009067. The cubic root of 1115345215 is about 1037.0581355440.

The spelling of 1115345215 in words is "one billion, one hundred fifteen million, three hundred forty-five thousand, two hundred fifteen".