2011313515 has 4 divisors (see below), whose sum is σ = 2413576224. Its totient is φ = 1609050808.

The previous prime is 2011313501. The next prime is 2011313587. The reversal of 2011313515 is 5153131102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2011313515 - 2¹³ = 2011305323 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201131347 + ... + 201131356.

It is an arithmetic number, because the mean of its divisors is an integer number (603394056).

Almost surely, 2^2011313515 is an apocalyptic number.

2011313515 is a deficient number, since it is larger than the sum of its proper divisors (402262709).

2011313515 is an equidigital number, since it uses as much as digits as its factorization.

2011313515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402262708.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 2011313515 is about 44847.6701178556. The cubic root of 2011313515 is about 1262.2922736364.

Adding to 2011313515 its reverse (5153131102), we get a palindrome (7164444617).

The spelling of 2011313515 in words is "two billion, eleven million, three hundred thirteen thousand, five hundred fifteen".