5381878618351 has 8 divisors (see below), whose sum is σ = 5617075223520. Its totient is φ = 5146782170112.

The previous prime is 5381878618331. The next prime is 5381878618357. The reversal of 5381878618351 is 1538168781835.

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

It is a cyclic number.

It is not a de Polignac number, because 5381878618351 - 2¹⁵ = 5381878585583 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 (5381878618357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24929406 + ... + 25144363.

It is an arithmetic number, because the mean of its divisors is an integer number (702134402940).

Almost surely, 2^{5381878618351} is an apocalyptic number.

5381878618351 is a deficient number, since it is larger than the sum of its proper divisors (235196605169).

5381878618351 is a wasteful number, since it uses less digits than its factorization.

5381878618351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50078465.

The product of its digits is 38707200, while the sum is 64.

The spelling of 5381878618351 in words is "five trillion, three hundred eighty-one billion, eight hundred seventy-eight million, six hundred eighteen thousand, three hundred fifty-one".