5515200221522 has 8 divisors (see below), whose sum is σ = 8274618943500. Its totient is φ = 2756993907024.

The previous prime is 5515200221483. The next prime is 5515200221569. The reversal of 5515200221522 is 2251220025155.

It can be written as a sum of positive squares in 2 ways, for example, as 4261586338321 + 1253613883201 = 2064361^2 + 1119649^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 303090497 + ... + 303108692.

Almost surely, 2^{5515200221522} is an apocalyptic number.

5515200221522 is a deficient number, since it is larger than the sum of its proper divisors (2759418721978).

5515200221522 is a wasteful number, since it uses less digits than its factorization.

5515200221522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606203740.

The product of its (nonzero) digits is 20000, while the sum is 32.

Adding to 5515200221522 its reverse (2251220025155), we get a palindrome (7766420246677).

The spelling of 5515200221522 in words is "five trillion, five hundred fifteen billion, two hundred million, two hundred twenty-one thousand, five hundred twenty-two".