13525144412 has 48 divisors (see below), whose sum is σ = 26055267840. Its totient is φ = 6104636928.

The previous prime is 13525144403. The next prime is 13525144417. The reversal of 13525144412 is 21444152531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13525144417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 854789 + ... + 870467.

It is an arithmetic number, because the mean of its divisors is an integer number (542818080).

Almost surely, 2^13525144412 is an apocalyptic number.

It is an amenable number.

13525144412 is a deficient number, since it is larger than the sum of its proper divisors (12530123428).

13525144412 is a wasteful number, since it uses less digits than its factorization.

13525144412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16062 (or 16060 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

Adding to 13525144412 its reverse (21444152531), we get a palindrome (34969296943).

The spelling of 13525144412 in words is "thirteen billion, five hundred twenty-five million, one hundred forty-four thousand, four hundred twelve".