13223415525 has 48 divisors (see below), whose sum is σ = 22110965760. Its totient is φ = 6972638400.

The previous prime is 13223415509. The next prime is 13223415539. The reversal of 13223415525 is 52551432231.

13223415525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13223415525 - 2⁴ = 13223415509 is a prime.

It is a super-2 number, since 2×13223415525² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7036536 + ... + 7038414.

It is an arithmetic number, because the mean of its divisors is an integer number (460645120).

Almost surely, 2^13223415525 is an apocalyptic number.

13223415525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13223415525 is a deficient number, since it is larger than the sum of its proper divisors (8887550235).

13223415525 is a wasteful number, since it uses less digits than its factorization.

13223415525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906 (or 2901 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

Adding to 13223415525 its reverse (52551432231), we get a palindrome (65774847756).

The spelling of 13223415525 in words is "thirteen billion, two hundred twenty-three million, four hundred fifteen thousand, five hundred twenty-five".