13525710318 has 20 divisors (see below), whose sum is σ = 30307610520. Its totient is φ = 4508570052.

The previous prime is 13525710299. The next prime is 13525710371. The reversal of 13525710318 is 81301752531.

It is a happy number.

13525710318 is a `hidden beast` number, since 1 + 3 + 52 + 571 + 0 + 31 + 8 = 666.

It is a super-2 number, since 2×13525710318² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 41745858 + ... + 41746181.

It is an arithmetic number, because the mean of its divisors is an integer number (1515380526).

Almost surely, 2^13525710318 is an apocalyptic number.

13525710318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13525710318 is an abundant number, since it is smaller than the sum of its proper divisors (16781900202).

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

13525710318 is an equidigital number, since it uses as much as digits as its factorization.

13525710318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83492053 (or 83492044 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 13525710318 in words is "thirteen billion, five hundred twenty-five million, seven hundred ten thousand, three hundred eighteen".