13525413405 has 48 divisors (see below), whose sum is σ = 25600587840. Its totient is φ = 6078229248.

The previous prime is 13525413403. The next prime is 13525413467. The reversal of 13525413405 is 50431452531.

It is not a de Polignac number, because 13525413405 - 2¹ = 13525413403 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13525413403) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 112584 + ... + 199313.

It is an arithmetic number, because the mean of its divisors is an integer number (533345580).

Almost surely, 2^13525413405 is an apocalyptic number.

13525413405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13525413405 is a deficient number, since it is larger than the sum of its proper divisors (12075174435).

13525413405 is a wasteful number, since it uses less digits than its factorization.

13525413405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311978 (or 311971 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 13525413405 its reverse (50431452531), we get a palindrome (63956865936).

The spelling of 13525413405 in words is "thirteen billion, five hundred twenty-five million, four hundred thirteen thousand, four hundred five".