13285255181 has 8 divisors (see below), whose sum is σ = 14691540864. Its totient is φ = 11912058720.

The previous prime is 13285255171. The next prime is 13285255211. The reversal of 13285255181 is 18155258231.

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 13285255181 - 2⁶ = 13285255117 is a prime.

It is a super-2 number, since 2×13285255181² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13285255111) 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, 8271461 + ... + 8273066.

It is an arithmetic number, because the mean of its divisors is an integer number (1836442608).

Almost surely, 2^13285255181 is an apocalyptic number.

13285255181 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13285255181 is a deficient number, since it is larger than the sum of its proper divisors (1406285683).

13285255181 is a wasteful number, since it uses less digits than its factorization.

13285255181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16544611.

The product of its digits is 96000, while the sum is 41.

The spelling of 13285255181 in words is "thirteen billion, two hundred eighty-five million, two hundred fifty-five thousand, one hundred eighty-one".