5491221125 has 32 divisors (see below), whose sum is σ = 7410154752. Its totient is φ = 4038600000.

The previous prime is 5491221019. The next prime is 5491221133. The reversal of 5491221125 is 5211221945.

5491221125 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5491221125 - 2¹⁰ = 5491220101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5491221091 and 5491221100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401144 + ... + 414606.

It is an arithmetic number, because the mean of its divisors is an integer number (231567336).

Almost surely, 2^5491221125 is an apocalyptic number.

It is an amenable number.

5491221125 is a deficient number, since it is larger than the sum of its proper divisors (1918933627).

5491221125 is a wasteful number, since it uses less digits than its factorization.

5491221125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13742 (or 13732 counting only the distinct ones).

The product of its digits is 7200, while the sum is 32.

The square root of 5491221125 is about 74102.7740708808. The cubic root of 5491221125 is about 1764.2345012683.

The spelling of 5491221125 in words is "five billion, four hundred ninety-one million, two hundred twenty-one thousand, one hundred twenty-five".