2011518 has 12 divisors (see below), whose sum is σ = 4358328. Its totient is φ = 670500.

The previous prime is 2011517. The next prime is 2011531. The reversal of 2011518 is 8151102.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 111751 = 2011518 / (2 + 0 + 1 + 1 + 5 + 1 + 8).

It is a self number, because there is not a number n which added to its sum of digits gives 2011518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011517) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55858 + ... + 55893.

It is an arithmetic number, because the mean of its divisors is an integer number (363194).

2^2011518 is an apocalyptic number.

2011518 is an abundant number, since it is smaller than the sum of its proper divisors (2346810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011518 is a wasteful number, since it uses less digits than its factorization.

2011518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111759 (or 111756 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 2011518 is about 1418.2799441577. The cubic root of 2011518 is about 126.2335050175.

The spelling of 2011518 in words is "two million, eleven thousand, five hundred eighteen".