13243450422015 has 48 divisors (see below), whose sum is σ = 25072589468160. Its totient is φ = 6413264648640.

The previous prime is 13243450421977. The next prime is 13243450422017. The reversal of 13243450422015 is 51022405434231.

It is a happy number.

13243450422015 is a `hidden beast` number, since 13 + 2 + 434 + 5 + 0 + 4 + 2 + 201 + 5 = 666.

It is not a de Polignac number, because 13243450422015 - 2²⁶ = 13243383313151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13243450422017) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15846835 + ... + 16661604.

It is an arithmetic number, because the mean of its divisors is an integer number (522345613920).

Almost surely, 2^{13243450422015} is an apocalyptic number.

13243450422015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13243450422015 is a deficient number, since it is larger than the sum of its proper divisors (11829139046145).

13243450422015 is a wasteful number, since it uses less digits than its factorization.

13243450422015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32509284 (or 32509281 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 13243450422015 its reverse (51022405434231), we get a palindrome (64265855856246).

The spelling of 13243450422015 in words is "thirteen trillion, two hundred forty-three billion, four hundred fifty million, four hundred twenty-two thousand, fifteen".