5366881081 has 3 divisors (see below), whose sum is σ = 5366954341. Its totient is φ = 5366807822.

The previous prime is 5366881061. The next prime is 5366881103. The reversal of 5366881081 is 1801886635.

The square root of 5366881081 is 73259.

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 5366881081 - 2⁵ = 5366881049 is a prime.

It is a super-2 number, since 2×5366881081² = 57606825075191457122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5366881001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 36630 + ... + 109888.

Almost surely, 2^5366881081 is an apocalyptic number.

5366881081 is the 73259-th square number.

5366881081 is the 36630-th centered octagonal number.

It is an amenable number.

5366881081 is a deficient number, since it is larger than the sum of its proper divisors (73260).

5366881081 is an frugal number, since it uses more digits than its factorization.

5366881081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146518 (or 73259 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 46.

The cubic root of 5366881081 is about 1750.8166072932.

The spelling of 5366881081 in words is "five billion, three hundred sixty-six million, eight hundred eighty-one thousand, eighty-one".