5572144370521 has 3 divisors (see below), whose sum is σ = 5572146731061. Its totient is φ = 5572142009982.

The previous prime is 5572144370519. The next prime is 5572144370557. The reversal of 5572144370521 is 1250734412755.

The square root of 5572144370521 is 2360539.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 5572144370521 - 2¹ = 5572144370519 is a prime.

It is a super-2 number, since 2×5572144370521² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5572144370561) 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 2 ways as a sum of consecutive naturals, for example, 1180270 + ... + 3540808.

It is an arithmetic number, because the mean of its divisors is an integer number (1857382243687).

Almost surely, 2^{5572144370521} is an apocalyptic number.

5572144370521 is the 2360539-th square number.

5572144370521 is the 1180270-th centered octagonal number.

It is an amenable number.

5572144370521 is a deficient number, since it is larger than the sum of its proper divisors (2360540).

5572144370521 is an frugal number, since it uses more digits than its factorization.

5572144370521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4721078 (or 2360539 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 46.

The spelling of 5572144370521 in words is "five trillion, five hundred seventy-two billion, one hundred forty-four million, three hundred seventy thousand, five hundred twenty-one".