13525535145 has 32 divisors (see below), whose sum is σ = 22192392960. Its totient is φ = 7032058880.

The previous prime is 13525535143. The next prime is 13525535203. The reversal of 13525535145 is 54153552531.

13525535145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13525535145 - 2¹ = 13525535143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13525535143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23437 + ... + 166133.

It is an arithmetic number, because the mean of its divisors is an integer number (693512280).

Almost surely, 2^13525535145 is an apocalyptic number.

13525535145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13525535145 is a deficient number, since it is larger than the sum of its proper divisors (8666857815).

13525535145 is a wasteful number, since it uses less digits than its factorization.

13525535145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142865.

The product of its digits is 225000, while the sum is 39.

The spelling of 13525535145 in words is "thirteen billion, five hundred twenty-five million, five hundred thirty-five thousand, one hundred forty-five".