5521665015760 has 80 divisors (see below), whose sum is σ = 13359078089280. Its totient is φ = 2120737167360.

The previous prime is 5521665015749. The next prime is 5521665015851. The reversal of 5521665015760 is 675105661255.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13399881 + ... + 13805800.

It is an arithmetic number, because the mean of its divisors is an integer number (166988476116).

Almost surely, 2^{5521665015760} is an apocalyptic number.

It is an amenable number.

5521665015760 is an abundant number, since it is smaller than the sum of its proper divisors (7837413073520).

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

5521665015760 is a wasteful number, since it uses less digits than its factorization.

5521665015760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27205796 (or 27205790 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 49.

The spelling of 5521665015760 in words is "five trillion, five hundred twenty-one billion, six hundred sixty-five million, fifteen thousand, seven hundred sixty".