2011512515 has 8 divisors (see below), whose sum is σ = 2453386128. Its totient is φ = 1582829280.

The previous prime is 2011512509. The next prime is 2011512557. The reversal of 2011512515 is 5152151102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2011512515 - 2⁴ = 2011512499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3297257 + ... + 3297866.

It is an arithmetic number, because the mean of its divisors is an integer number (306673266).

Almost surely, 2^2011512515 is an apocalyptic number.

2011512515 is a deficient number, since it is larger than the sum of its proper divisors (441873613).

2011512515 is an equidigital number, since it uses as much as digits as its factorization.

2011512515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6595189.

The product of its (nonzero) digits is 500, while the sum is 23.

The square root of 2011512515 is about 44849.8886843658. Note that the first 3 decimals coincide. The cubic root of 2011512515 is about 1262.3339027968. Note that the first 3 decimals are identical.

Adding to 2011512515 its reverse (5152151102), we get a palindrome (7163663617).

The spelling of 2011512515 in words is "two billion, eleven million, five hundred twelve thousand, five hundred fifteen".