13122535145015 has 64 divisors (see below), whose sum is σ = 16557899904000. Its totient is φ = 9964881045504.

The previous prime is 13122535145009. The next prime is 13122535145023. The reversal of 13122535145015 is 51054153522131.

It is a cyclic number.

It is not a de Polignac number, because 13122535145015 - 2¹⁸ = 13122534882871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13122535145015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13431458207 + ... + 13431459183.

It is an arithmetic number, because the mean of its divisors is an integer number (258717186000).

Almost surely, 2^{13122535145015} is an apocalyptic number.

13122535145015 is a deficient number, since it is larger than the sum of its proper divisors (3435364758985).

13122535145015 is a wasteful number, since it uses less digits than its factorization.

13122535145015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616.

The product of its (nonzero) digits is 90000, while the sum is 38.

Adding to 13122535145015 its reverse (51054153522131), we get a palindrome (64176688667146).

The spelling of 13122535145015 in words is "thirteen trillion, one hundred twenty-two billion, five hundred thirty-five million, one hundred forty-five thousand, fifteen".