13255125135 has 64 divisors (see below), whose sum is σ = 26136069120. Its totient is φ = 5600517120.

The previous prime is 13255125127. The next prime is 13255125137. The reversal of 13255125135 is 53152155231.

It is a happy number.

It is not a de Polignac number, because 13255125135 - 2³ = 13255125127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13255125096 and 13255125105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13255125137) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 769 + ... + 162821.

It is an arithmetic number, because the mean of its divisors is an integer number (408376080).

Almost surely, 2^13255125135 is an apocalyptic number.

13255125135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13255125135 is a deficient number, since it is larger than the sum of its proper divisors (12880943985).

13255125135 is a wasteful number, since it uses less digits than its factorization.

13255125135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162128.

The product of its digits is 22500, while the sum is 33.

The spelling of 13255125135 in words is "thirteen billion, two hundred fifty-five million, one hundred twenty-five thousand, one hundred thirty-five".