5665360017138 has 32 divisors (see below), whose sum is σ = 11345271177600. Its totient is φ = 1886028996096.

The previous prime is 5665360017127. The next prime is 5665360017139. The reversal of 5665360017138 is 8317100635665.

It is a happy number.

It is a super-2 number, since 2×5665360017138² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5665360017139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27393523 + ... + 27599561.

It is an arithmetic number, because the mean of its divisors is an integer number (354539724300).

Almost surely, 2^{5665360017138} is an apocalyptic number.

5665360017138 is an abundant number, since it is smaller than the sum of its proper divisors (5679911160462).

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

5665360017138 is a wasteful number, since it uses less digits than its factorization.

5665360017138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211906.

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 5665360017138 in words is "five trillion, six hundred sixty-five billion, three hundred sixty million, seventeen thousand, one hundred thirty-eight".