2215512013 has 32 divisors (see below), whose sum is σ = 2644814592. Its totient is φ = 1829452800.

The previous prime is 2215512001. The next prime is 2215512071. The reversal of 2215512013 is 3102155122.

It is a cyclic number.

It is not a de Polignac number, because 2215512013 - 2²⁵ = 2181957581 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 (2215512083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2698143 + ... + 2698963.

It is an arithmetic number, because the mean of its divisors is an integer number (82650456).

Almost surely, 2^2215512013 is an apocalyptic number.

It is an amenable number.

2215512013 is a deficient number, since it is larger than the sum of its proper divisors (429302579).

2215512013 is a wasteful number, since it uses less digits than its factorization.

2215512013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 2215512013 is about 47069.2257531394. The cubic root of 2215512013 is about 1303.6410770620.

Adding to 2215512013 its reverse (3102155122), we get a palindrome (5317667135).

The spelling of 2215512013 in words is "two billion, two hundred fifteen million, five hundred twelve thousand, thirteen".