5491117671288 has 16 divisors (see below), whose sum is σ = 13727794178280. Its totient is φ = 1830372557088.

The previous prime is 5491117671257. The next prime is 5491117671343. The reversal of 5491117671288 is 8821767111945.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114398284795 + ... + 114398284842.

Almost surely, 2^{5491117671288} is an apocalyptic number.

It is an amenable number.

5491117671288 is an abundant number, since it is smaller than the sum of its proper divisors (8236676506992).

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

5491117671288 is a wasteful number, since it uses less digits than its factorization.

5491117671288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228796569646 (or 228796569642 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 60.

The spelling of 5491117671288 in words is "five trillion, four hundred ninety-one billion, one hundred seventeen million, six hundred seventy-one thousand, two hundred eighty-eight".