5521521599999 has 4 divisors (see below), whose sum is σ = 5591414278560. Its totient is φ = 5451628921440.

The previous prime is 5521521599987. The next prime is 5521521600137. The reversal of 5521521599999 is 9999951251255.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5521521599999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521521599929) 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 3 ways as a sum of consecutive naturals, for example, 34946339162 + ... + 34946339319.

It is an arithmetic number, because the mean of its divisors is an integer number (1397853569640).

Almost surely, 2^{5521521599999} is an apocalyptic number.

5521521599999 is a deficient number, since it is larger than the sum of its proper divisors (69892678561).

5521521599999 is an equidigital number, since it uses as much as digits as its factorization.

5521521599999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69892678560.

The product of its digits is 147622500, while the sum is 71.

The spelling of 5521521599999 in words is "five trillion, five hundred twenty-one billion, five hundred twenty-one million, five hundred ninety-nine thousand, nine hundred ninety-nine".