13525442115 has 8 divisors (see below), whose sum is σ = 21640707408. Its totient is φ = 7213569120.

The previous prime is 13525442111. The next prime is 13525442129. The reversal of 13525442115 is 51124452531.

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

It is not a de Polignac number, because 13525442115 - 2² = 13525442111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13525442111) 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, 450848056 + ... + 450848085.

It is an arithmetic number, because the mean of its divisors is an integer number (2705088426).

Almost surely, 2^13525442115 is an apocalyptic number.

13525442115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13525442115 is a deficient number, since it is larger than the sum of its proper divisors (8115265293).

13525442115 is an equidigital number, since it uses as much as digits as its factorization.

13525442115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901696149.

The product of its digits is 24000, while the sum is 33.

Adding to 13525442115 its reverse (51124452531), we get a palindrome (64649894646).

The spelling of 13525442115 in words is "thirteen billion, five hundred twenty-five million, four hundred forty-two thousand, one hundred fifteen".