1115105013 has 24 divisors (see below), whose sum is σ = 1817730720. Its totient is φ = 652515360.

The previous prime is 1115104997. The next prime is 1115105051. The reversal of 1115105013 is 3105015111.

1115105013 is a `hidden beast` number, since 11 + 151 + 0 + 501 + 3 = 666.

It is not a de Polignac number, because 1115105013 - 2⁴ = 1115104997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115105513) 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 23 ways as a sum of consecutive naturals, for example, 191331 + ... + 197072.

It is an arithmetic number, because the mean of its divisors is an integer number (75738780).

Almost surely, 2^1115105013 is an apocalyptic number.

It is an amenable number.

1115105013 is a deficient number, since it is larger than the sum of its proper divisors (702625707).

1115105013 is a wasteful number, since it uses less digits than its factorization.

1115105013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388449 (or 388446 counting only the distinct ones).

The product of its (nonzero) digits is 75, while the sum is 18.

The square root of 1115105013 is about 33393.1881227295. The cubic root of 1115105013 is about 1036.9836828635.

The spelling of 1115105013 in words is "one billion, one hundred fifteen million, one hundred five thousand, thirteen".