13311555125 has 16 divisors (see below), whose sum is σ = 18123079104. Its totient is φ = 9681130000.

The previous prime is 13311555121. The next prime is 13311555133. The reversal of 13311555125 is 52155511331.

It is not a de Polignac number, because 13311555125 - 2² = 13311555121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13311555091 and 13311555100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311555121) 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, 4839191 + ... + 4841940.

It is an arithmetic number, because the mean of its divisors is an integer number (1132692444).

Almost surely, 2^13311555125 is an apocalyptic number.

It is an amenable number.

13311555125 is a deficient number, since it is larger than the sum of its proper divisors (4811523979).

13311555125 is an equidigital number, since it uses as much as digits as its factorization.

13311555125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9681157 (or 9681147 counting only the distinct ones).

The product of its digits is 11250, while the sum is 32.

The spelling of 13311555125 in words is "thirteen billion, three hundred eleven million, five hundred fifty-five thousand, one hundred twenty-five".