13155304325 has 12 divisors (see below), whose sum is σ = 16380271908. Its totient is φ = 10480569600.

The previous prime is 13155304291. The next prime is 13155304339. The reversal of 13155304325 is 52340355131.

It can be written as a sum of positive squares in 6 ways, for example, as 5866084 + 13149438241 = 2422^2 + 114671^2 .

It is not a de Polignac number, because 13155304325 - 2¹² = 13155300229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13155304291 and 13155304300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1085702 + ... + 1097751.

It is an arithmetic number, because the mean of its divisors is an integer number (1365022659).

Almost surely, 2^13155304325 is an apocalyptic number.

It is an amenable number.

13155304325 is a deficient number, since it is larger than the sum of its proper divisors (3224967583).

13155304325 is a wasteful number, since it uses less digits than its factorization.

13155304325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2183704 (or 2183699 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 13155304325 its reverse (52340355131), we get a palindrome (65495659456).

The spelling of 13155304325 in words is "thirteen billion, one hundred fifty-five million, three hundred four thousand, three hundred twenty-five".