1111215313 has 16 divisors (see below), whose sum is σ = 1224066816. Its totient is φ = 1002343680.

The previous prime is 1111215311. The next prime is 1111215337. The reversal of 1111215313 is 3135121111.

It is not a de Polignac number, because 1111215313 - 2¹ = 1111215311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111215311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592345 + ... + 594217.

It is an arithmetic number, because the mean of its divisors is an integer number (76504176).

Almost surely, 2^1111215313 is an apocalyptic number.

1111215313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1111215313 is a deficient number, since it is larger than the sum of its proper divisors (112851503).

1111215313 is a wasteful number, since it uses less digits than its factorization.

1111215313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2904.

The product of its digits is 90, while the sum is 19.

The square root of 1111215313 is about 33334.8963250225. The cubic root of 1111215313 is about 1035.7765455888.

Adding to 1111215313 its reverse (3135121111), we get a palindrome (4246336424).

The spelling of 1111215313 in words is "one billion, one hundred eleven million, two hundred fifteen thousand, three hundred thirteen".