5581046671278 has 32 divisors (see below), whose sum is σ = 12028671631872. Its totient is φ = 1716108597600.

The previous prime is 5581046671229. The next prime is 5581046671297. The reversal of 5581046671278 is 8721766401855.

It is a super-2 number, since 2×5581046671278² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23559138 + ... + 23794853.

It is an arithmetic number, because the mean of its divisors is an integer number (375895988496).

Almost surely, 2^{5581046671278} is an apocalyptic number.

5581046671278 is an abundant number, since it is smaller than the sum of its proper divisors (6447624960594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5581046671278 is a wasteful number, since it uses less digits than its factorization.

5581046671278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47355520.

The product of its (nonzero) digits is 22579200, while the sum is 60.

The spelling of 5581046671278 in words is "five trillion, five hundred eighty-one billion, forty-six million, six hundred seventy-one thousand, two hundred seventy-eight".