13162361225 has 48 divisors (see below), whose sum is σ = 18973785600. Its totient is φ = 8976549120.

The previous prime is 13162361213. The next prime is 13162361237. The reversal of 13162361225 is 52216326131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13162361213) and next prime (13162361237).

It is not a de Polignac number, because 13162361225 - 2⁴ = 13162361209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13162361191 and 13162361200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 186416 + ... + 247134.

It is an arithmetic number, because the mean of its divisors is an integer number (395287200).

Almost surely, 2^13162361225 is an apocalyptic number.

It is an amenable number.

13162361225 is a deficient number, since it is larger than the sum of its proper divisors (5811424375).

13162361225 is a wasteful number, since it uses less digits than its factorization.

13162361225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60794 (or 60789 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

Adding to 13162361225 its reverse (52216326131), we get a palindrome (65378687356).

The spelling of 13162361225 in words is "thirteen billion, one hundred sixty-two million, three hundred sixty-one thousand, two hundred twenty-five".