481821731611 has 16 divisors (see below), whose sum is σ = 527120512128. Its totient is φ = 436773513600.

The previous prime is 481821731581. The next prime is 481821731701. The reversal of 481821731611 is 116137128184.

It is a cyclic number.

It is not a de Polignac number, because 481821731611 - 2⁵ = 481821731579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481821761611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9171160 + ... + 9223546.

It is an arithmetic number, because the mean of its divisors is an integer number (32945032008).

Almost surely, 2^481821731611 is an apocalyptic number.

481821731611 is a deficient number, since it is larger than the sum of its proper divisors (45298780517).

481821731611 is a wasteful number, since it uses less digits than its factorization.

481821731611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54762.

The product of its digits is 64512, while the sum is 43.

Adding to 481821731611 its reverse (116137128184), we get a palindrome (597958859795).

The spelling of 481821731611 in words is "four hundred eighty-one billion, eight hundred twenty-one million, seven hundred thirty-one thousand, six hundred eleven".