6215520560 has 20 divisors (see below), whose sum is σ = 14451085488. Its totient is φ = 2486208192.

The previous prime is 6215520557. The next prime is 6215520587. The reversal of 6215520560 is 650255126.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38846924 + ... + 38847083.

Almost surely, 2^6215520560 is an apocalyptic number.

It is an amenable number.

6215520560 is an abundant number, since it is smaller than the sum of its proper divisors (8235564928).

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

6215520560 is a wasteful number, since it uses less digits than its factorization.

6215520560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77694020 (or 77694014 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 6215520560 is about 78838.5727927643. The cubic root of 6215520560 is about 1838.6222121143.

Adding to 6215520560 its reverse (650255126), we get a palindrome (6865775686).

The spelling of 6215520560 in words is "six billion, two hundred fifteen million, five hundred twenty thousand, five hundred sixty".