2110561560 has 96 divisors (see below), whose sum is σ = 7262835840. Its totient is φ = 529708032.

The previous prime is 2110561547. The next prime is 2110561571. The reversal of 2110561560 is 651650112.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 166312 + ... + 178551.

It is an arithmetic number, because the mean of its divisors is an integer number (75654540).

Almost surely, 2^2110561560 is an apocalyptic number.

2110561560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2110561560 is an abundant number, since it is smaller than the sum of its proper divisors (5152274280).

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

2110561560 is a wasteful number, since it uses less digits than its factorization.

2110561560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344897 (or 344890 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 2110561560 is about 45940.8484902053. The cubic root of 2110561560 is about 1282.7223877090.

The spelling of 2110561560 in words is "two billion, one hundred ten million, five hundred sixty-one thousand, five hundred sixty".