5815537560 has 320 divisors, whose sum is σ = 22799304000. Its totient is φ = 1329011712.

The previous prime is 5815537477. The next prime is 5815537561. The reversal of 5815537560 is 657355185.

5815537560 is a `hidden beast` number, since 5 + 8 + 1 + 55 + 37 + 560 = 666.

It is a super-2 number, since 2×5815537560² = 67640954223541507200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5815537561) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1108704 + ... + 1113936.

It is an arithmetic number, because the mean of its divisors is an integer number (71247825).

Almost surely, 2^5815537560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5815537560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11399652000).

5815537560 is an abundant number, since it is smaller than the sum of its proper divisors (16983766440).

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

5815537560 is a wasteful number, since it uses less digits than its factorization.

5815537560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5277 (or 5250 counting only the distinct ones).

The product of its (nonzero) digits is 630000, while the sum is 45.

The square root of 5815537560 is about 76259.6719111747. The cubic root of 5815537560 is about 1798.3047372146.

The spelling of 5815537560 in words is "five billion, eight hundred fifteen million, five hundred thirty-seven thousand, five hundred sixty".