13162261425 has 48 divisors (see below), whose sum is σ = 21997699200. Its totient is φ = 6944112640.

The previous prime is 13162261417. The next prime is 13162261471. The reversal of 13162261425 is 52416226131.

It is not a de Polignac number, because 13162261425 - 2³ = 13162261417 is a prime.

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, 2869684 + ... + 2874266.

It is an arithmetic number, because the mean of its divisors is an integer number (458285400).

Almost surely, 2^13162261425 is an apocalyptic number.

13162261425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13162261425 is a deficient number, since it is larger than the sum of its proper divisors (8835437775).

13162261425 is a wasteful number, since it uses less digits than its factorization.

13162261425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5002 (or 4997 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

Adding to 13162261425 its reverse (52416226131), we get a palindrome (65578487556).

The spelling of 13162261425 in words is "thirteen billion, one hundred sixty-two million, two hundred sixty-one thousand, four hundred twenty-five".