5661136873039 has 4 divisors (see below), whose sum is σ = 5716099367056. Its totient is φ = 5606174379024.

The previous prime is 5661136872887. The next prime is 5661136873061. The reversal of 5661136873039 is 9303786311665.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5661136873039 - 2⁹ = 5661136872527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661136873099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27481246854 + ... + 27481247059.

It is an arithmetic number, because the mean of its divisors is an integer number (1429024841764).

Almost surely, 2^{5661136873039} is an apocalyptic number.

5661136873039 is a deficient number, since it is larger than the sum of its proper divisors (54962494017).

5661136873039 is a wasteful number, since it uses less digits than its factorization.

5661136873039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54962494016.

The product of its (nonzero) digits is 14696640, while the sum is 58.

The spelling of 5661136873039 in words is "five trillion, six hundred sixty-one billion, one hundred thirty-six million, eight hundred seventy-three thousand, thirty-nine".