5381665558335 has 384 divisors, whose sum is σ = 11561215131648. Its totient is φ = 2371057920000.

The previous prime is 5381665558331. The next prime is 5381665558363. The reversal of 5381665558335 is 5338555661835.

5381665558335 is a `hidden beast` number, since 5 + 3 + 8 + 16 + 6 + 5 + 5 + 583 + 35 = 666.

It is not a de Polignac number, because 5381665558335 - 2² = 5381665558331 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5381665558331) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 5120518560 + ... + 5120519610.

It is an arithmetic number, because the mean of its divisors is an integer number (30107331072).

Almost surely, 2^{5381665558335} is an apocalyptic number.

5381665558335 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5381665558335 is an abundant number, since it is smaller than the sum of its proper divisors (6179549573313).

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

5381665558335 is a wasteful number, since it uses less digits than its factorization.

5381665558335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857 (or 1845 counting only the distinct ones).

The product of its digits is 194400000, while the sum is 63.

The spelling of 5381665558335 in words is "five trillion, three hundred eighty-one billion, six hundred sixty-five million, five hundred fifty-eight thousand, three hundred thirty-five".