13345020523546 has 16 divisors (see below), whose sum is σ = 20049736533120. Its totient is φ = 6661776317040.

The previous prime is 13345020523537. The next prime is 13345020523613. The reversal of 13345020523546 is 64532502054331.

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 7 ways as a sum of consecutive naturals, for example, 20685220 + ... + 21320608.

It is an arithmetic number, because the mean of its divisors is an integer number (1253108533320).

Almost surely, 2^{13345020523546} is an apocalyptic number.

13345020523546 is a deficient number, since it is larger than the sum of its proper divisors (6704716009574).

13345020523546 is a wasteful number, since it uses less digits than its factorization.

13345020523546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652269.

The product of its (nonzero) digits is 1296000, while the sum is 43.

Adding to 13345020523546 its reverse (64532502054331), we get a palindrome (77877522577877).

The spelling of 13345020523546 in words is "thirteen trillion, three hundred forty-five billion, twenty million, five hundred twenty-three thousand, five hundred forty-six".