5162942828521 has 3 divisors (see below), whose sum is σ = 5162945100733. Its totient is φ = 5162940556310.

The previous prime is 5162942828497. The next prime is 5162942828551. The reversal of 5162942828521 is 1258282492615.

It is a happy number.

The square root of 5162942828521 is 2272211.

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 a de Polignac number, because none of the positive numbers 2^k-5162942828521 is a prime.

It is a super-2 number, since 2×5162942828521² (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 (5162942828551) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1136106 + ... + 3408316.

Almost surely, 2^{5162942828521} is an apocalyptic number.

5162942828521 is the 2272211-st square number.

5162942828521 is the 1136106-th centered octagonal number.

It is an amenable number.

5162942828521 is a deficient number, since it is larger than the sum of its proper divisors (2272212).

5162942828521 is an frugal number, since it uses more digits than its factorization.

5162942828521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4544422 (or 2272211 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 55.

The spelling of 5162942828521 in words is "five trillion, one hundred sixty-two billion, nine hundred forty-two million, eight hundred twenty-eight thousand, five hundred twenty-one".