104521133011345 has 16 divisors (see below), whose sum is σ = 132990392845440. Its totient is φ = 78637797489024.

The previous prime is 104521133011319. The next prime is 104521133011367. The reversal of 104521133011345 is 543110331125401.

It is a cyclic number.

It is not a de Polignac number, because 104521133011345 - 2¹¹ = 104521133009297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104521133011345.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4015397397 + ... + 4015423426.

It is an arithmetic number, because the mean of its divisors is an integer number (8311899552840).

Almost surely, 2^{104521133011345} is an apocalyptic number.

It is an amenable number.

104521133011345 is a deficient number, since it is larger than the sum of its proper divisors (28469259834095).

104521133011345 is a wasteful number, since it uses less digits than its factorization.

104521133011345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8030820984.

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 104521133011345 its reverse (543110331125401), we get a palindrome (647631464136746).

The spelling of 104521133011345 in words is "one hundred four trillion, five hundred twenty-one billion, one hundred thirty-three million, eleven thousand, three hundred forty-five".