13511130225 has 24 divisors (see below), whose sum is σ = 22341730752. Its totient is φ = 7204862400.

The previous prime is 13511130203. The next prime is 13511130229. The reversal of 13511130225 is 52203111531.

It is not a de Polignac number, because 13511130225 - 2⁶ = 13511130161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13511130195 and 13511130204.

It is not an unprimeable number, because it can be changed into a prime (13511130229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 996844 + ... + 1010306.

It is an arithmetic number, because the mean of its divisors is an integer number (930905448).

Almost surely, 2^13511130225 is an apocalyptic number.

13511130225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13511130225 is a deficient number, since it is larger than the sum of its proper divisors (8830600527).

13511130225 is a wasteful number, since it uses less digits than its factorization.

13511130225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26857 (or 26852 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

Adding to 13511130225 its reverse (52203111531), we get a palindrome (65714241756).

The spelling of 13511130225 in words is "thirteen billion, five hundred eleven million, one hundred thirty thousand, two hundred twenty-five".