5491042120688 has 20 divisors (see below), whose sum is σ = 10685352168840. Its totient is φ = 2733531883584.

The previous prime is 5491042120661. The next prime is 5491042120703. The reversal of 5491042120688 is 8860212401945.

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, 749319770 + ... + 749327097.

It is an arithmetic number, because the mean of its divisors is an integer number (534267608442).

Almost surely, 2^{5491042120688} is an apocalyptic number.

It is an amenable number.

5491042120688 is a deficient number, since it is larger than the sum of its proper divisors (5194310048152).

5491042120688 is a wasteful number, since it uses less digits than its factorization.

5491042120688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498647104 (or 1498647098 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 5491042120688 in words is "five trillion, four hundred ninety-one billion, forty-two million, one hundred twenty thousand, six hundred eighty-eight".