2011513560 has 64 divisors (see below), whose sum is σ = 6896620800. Its totient is φ = 459774336.

The previous prime is 2011513531. The next prime is 2011513561. The reversal of 2011513560 is 653151102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2011513560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011513561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1196490 + ... + 1198169.

It is an arithmetic number, because the mean of its divisors is an integer number (107759700).

Almost surely, 2^2011513560 is an apocalyptic number.

2011513560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011513560 is an abundant number, since it is smaller than the sum of its proper divisors (4885107240).

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

2011513560 is a wasteful number, since it uses less digits than its factorization.

2011513560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2394680 (or 2394676 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 2011513560 is about 44849.9003343374. The cubic root of 2011513560 is about 1262.3341213949.

Adding to 2011513560 its reverse (653151102), we get a palindrome (2664664662).

The spelling of 2011513560 in words is "two billion, eleven million, five hundred thirteen thousand, five hundred sixty".