5665281144 has 32 divisors (see below), whose sum is σ = 14996333520. Its totient is φ = 1777342976.

The previous prime is 5665281137. The next prime is 5665281191. The reversal of 5665281144 is 4411825665.

It is a junction number, because it is equal to n+sod(n) for n = 5665281096 and 5665281105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6942339 + ... + 6943154.

Almost surely, 2^5665281144 is an apocalyptic number.

It is an amenable number.

5665281144 is an abundant number, since it is smaller than the sum of its proper divisors (9331052376).

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

5665281144 is a wasteful number, since it uses less digits than its factorization.

5665281144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13885519 (or 13885515 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 5665281144 is about 75268.0619120753. The cubic root of 5665281144 is about 1782.6817657850.

The spelling of 5665281144 in words is "five billion, six hundred sixty-five million, two hundred eighty-one thousand, one hundred forty-four".