13885258365 has 48 divisors (see below), whose sum is σ = 26389224576. Its totient is φ = 6698025600.

The previous prime is 13885258301. The next prime is 13885258379. The reversal of 13885258365 is 56385258831.

It is a happy number.

13885258365 is a `hidden beast` number, since 1 + 3 + 8 + 8 + 52 + 583 + 6 + 5 = 666.

It is not a de Polignac number, because 13885258365 - 2⁶ = 13885258301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26320 + ... + 168710.

It is an arithmetic number, because the mean of its divisors is an integer number (549775512).

Almost surely, 2^13885258365 is an apocalyptic number.

13885258365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13885258365 is a deficient number, since it is larger than the sum of its proper divisors (12503966211).

13885258365 is a wasteful number, since it uses less digits than its factorization.

13885258365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142610 (or 142607 counting only the distinct ones).

The product of its digits is 6912000, while the sum is 54.

The spelling of 13885258365 in words is "thirteen billion, eight hundred eighty-five million, two hundred fifty-eight thousand, three hundred sixty-five".