2011545115 has 8 divisors (see below), whose sum is σ = 2454767280. Its totient is φ = 1581960672.

The previous prime is 2011545113. The next prime is 2011545131. The reversal of 2011545115 is 5115451102.

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

It is a cyclic number.

It is not a de Polignac number, because 2011545115 - 2¹ = 2011545113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2011545115.

It is not an unprimeable number, because it can be changed into a prime (2011545113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3409104 + ... + 3409693.

It is an arithmetic number, because the mean of its divisors is an integer number (306845910).

Almost surely, 2^2011545115 is an apocalyptic number.

2011545115 is a deficient number, since it is larger than the sum of its proper divisors (443222165).

2011545115 is an equidigital number, since it uses as much as digits as its factorization.

2011545115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6818861.

The product of its (nonzero) digits is 1000, while the sum is 25.

The square root of 2011545115 is about 44850.2521174631. The cubic root of 2011545115 is about 1262.3407221864.

Adding to 2011545115 its reverse (5115451102), we get a palindrome (7126996217).

The spelling of 2011545115 in words is "two billion, eleven million, five hundred forty-five thousand, one hundred fifteen".