1099361292521 has 16 divisors (see below), whose sum is σ = 1179377971200. Its totient is φ = 1021749180048.

The previous prime is 1099361292517. The next prime is 1099361292539. The reversal of 1099361292521 is 1252921639901.

It is a cyclic number.

It is not a de Polignac number, because 1099361292521 - 2² = 1099361292517 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1099361292521.

It is not an unprimeable number, because it can be changed into a prime (1099361292121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2415641 + ... + 2834438.

It is an arithmetic number, because the mean of its divisors is an integer number (73711123200).

Almost surely, 2^{1099361292521} is an apocalyptic number.

It is an amenable number.

1099361292521 is a deficient number, since it is larger than the sum of its proper divisors (80016678679).

1099361292521 is a wasteful number, since it uses less digits than its factorization.

1099361292521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5250308.

The product of its (nonzero) digits is 524880, while the sum is 50.

The spelling of 1099361292521 in words is "one trillion, ninety-nine billion, three hundred sixty-one million, two hundred ninety-two thousand, five hundred twenty-one".