5815880165887 has 8 divisors (see below), whose sum is σ = 6361336909440. Its totient is φ = 5273213483160.

The previous prime is 5815880165857. The next prime is 5815880165923. The reversal of 5815880165887 is 7885610885185.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5815880165887 - 2¹¹ = 5815880163839 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 (5815880165827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 697510843 + ... + 697519180.

It is an arithmetic number, because the mean of its divisors is an integer number (795167113680).

Almost surely, 2^{5815880165887} is an apocalyptic number.

5815880165887 is a deficient number, since it is larger than the sum of its proper divisors (545456743553).

5815880165887 is a wasteful number, since it uses less digits than its factorization.

5815880165887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395030413.

The product of its (nonzero) digits is 172032000, while the sum is 70.

The spelling of 5815880165887 in words is "five trillion, eight hundred fifteen billion, eight hundred eighty million, one hundred sixty-five thousand, eight hundred eighty-seven".