2011815486 has 12 divisors (see below), whose sum is σ = 4358933592. Its totient is φ = 670605156.

The previous prime is 2011815473. The next prime is 2011815529. The reversal of 2011815486 is 6845181102.

2011815486 is a `hidden beast` number, since 20 + 11 + 81 + 548 + 6 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2011815486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55883746 + ... + 55883781.

It is an arithmetic number, because the mean of its divisors is an integer number (363244466).

Almost surely, 2^2011815486 is an apocalyptic number.

2011815486 is an abundant number, since it is smaller than the sum of its proper divisors (2347118106).

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

2011815486 is a wasteful number, since it uses less digits than its factorization.

2011815486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111767535 (or 111767532 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The square root of 2011815486 is about 44853.2661686972. The cubic root of 2011815486 is about 1262.3972765619.

Adding to 2011815486 its reverse (6845181102), we get a palindrome (8856996588).

The spelling of 2011815486 in words is "two billion, eleven million, eight hundred fifteen thousand, four hundred eighty-six".