5531254463281 has 4 divisors (see below), whose sum is σ = 5532424113700. Its totient is φ = 5530084812864.

The previous prime is 5531254463197. The next prime is 5531254463299. The reversal of 5531254463281 is 1823644521355.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2115352080625 + 3415902382656 = 1454425^2 + 1848216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5531254463281 is a prime.

It is a super-2 number, since 2×5531254463281² (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 (5531254463681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 584818116 + ... + 584827573.

It is an arithmetic number, because the mean of its divisors is an integer number (1383106028425).

Almost surely, 2^{5531254463281} is an apocalyptic number.

It is an amenable number.

5531254463281 is a deficient number, since it is larger than the sum of its proper divisors (1169650419).

5531254463281 is a wasteful number, since it uses less digits than its factorization.

5531254463281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1169650418.

The product of its digits is 3456000, while the sum is 49.

The spelling of 5531254463281 in words is "five trillion, five hundred thirty-one billion, two hundred fifty-four million, four hundred sixty-three thousand, two hundred eighty-one".