5665288779156 has 48 divisors (see below), whose sum is σ = 13246310517440. Its totient is φ = 1884531191040.

The previous prime is 5665288779151. The next prime is 5665288779169. The reversal of 5665288779156 is 6519778825665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665288779151) 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, 21997080 + ... + 22253136.

Almost surely, 2^{5665288779156} is an apocalyptic number.

It is an amenable number.

5665288779156 is an abundant number, since it is smaller than the sum of its proper divisors (7581021738284).

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

5665288779156 is a wasteful number, since it uses less digits than its factorization.

5665288779156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259864 (or 259862 counting only the distinct ones).

The product of its digits is 1524096000, while the sum is 75.

The spelling of 5665288779156 in words is "five trillion, six hundred sixty-five billion, two hundred eighty-eight million, seven hundred seventy-nine thousand, one hundred fifty-six".