13502521552145 has 16 divisors (see below), whose sum is σ = 16396221864960. Its totient is φ = 10673384937600.

The previous prime is 13502521552141. The next prime is 13502521552147. The reversal of 13502521552145 is 54125512520531.

It is not a de Polignac number, because 13502521552145 - 2² = 13502521552141 is a prime.

It is a super-2 number, since 2×13502521552145² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13502521552141) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 9659051 + ... + 10968240.

It is an arithmetic number, because the mean of its divisors is an integer number (1024763866560).

Almost surely, 2^{13502521552145} is an apocalyptic number.

It is an amenable number.

13502521552145 is a deficient number, since it is larger than the sum of its proper divisors (2893700312815).

13502521552145 is a wasteful number, since it uses less digits than its factorization.

13502521552145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20628856.

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 13502521552145 in words is "thirteen trillion, five hundred two billion, five hundred twenty-one million, five hundred fifty-two thousand, one hundred forty-five".