4451505045091 has 24 divisors (see below), whose sum is σ = 4883189509440. Its totient is φ = 4055610214656.

The previous prime is 4451505045079. The next prime is 4451505045121. The reversal of 4451505045091 is 1905405051544.

It is not a de Polignac number, because 4451505045091 - 2⁵ = 4451505045059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4451515045091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8112166 + ... + 8643508.

It is an arithmetic number, because the mean of its divisors is an integer number (203466229560).

Almost surely, 2^{4451505045091} is an apocalyptic number.

4451505045091 is a deficient number, since it is larger than the sum of its proper divisors (431684464349).

4451505045091 is a wasteful number, since it uses less digits than its factorization.

4451505045091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532015 (or 532002 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 4451505045091 in words is "four trillion, four hundred fifty-one billion, five hundred five million, forty-five thousand, ninety-one".