481543911 has 6 divisors (see below), whose sum is σ = 695563440. Its totient is φ = 321029268.

The previous prime is 481543883. The next prime is 481543913. The reversal of 481543911 is 119345184.

It is not a de Polignac number, because 481543911 - 2⁵ = 481543879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481543913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26752431 + ... + 26752448.

It is an arithmetic number, because the mean of its divisors is an integer number (115927240).

Almost surely, 2^481543911 is an apocalyptic number.

481543911 is a deficient number, since it is larger than the sum of its proper divisors (214019529).

481543911 is a wasteful number, since it uses less digits than its factorization.

481543911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53504885 (or 53504882 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 481543911 is about 21944.1087994022. The cubic root of 481543911 is about 783.8121030130.

The spelling of 481543911 in words is "four hundred eighty-one million, five hundred forty-three thousand, nine hundred eleven".