481267461047881 has 4 divisors (see below), whose sum is σ = 481549068692100. Its totient is φ = 480985853403664.

The previous prime is 481267461047851. The next prime is 481267461047929. The reversal of 481267461047881 is 188740164762184.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 79524927405625 + 401742533642256 = 8917675^2 + 20043516^2 .

It is a cyclic number.

It is not a de Polignac number, because 481267461047881 - 2⁹ = 481267461047369 is a prime.

It is a super-2 number, since 2×481267461047881² (a number of 30 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481267461047831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140803819546 + ... + 140803822963.

It is an arithmetic number, because the mean of its divisors is an integer number (120387267173025).

Almost surely, 2^{481267461047881} is an apocalyptic number.

It is an amenable number.

481267461047881 is a deficient number, since it is larger than the sum of its proper divisors (281607644219).

481267461047881 is a wasteful number, since it uses less digits than its factorization.

481267461047881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281607644218.

The product of its (nonzero) digits is 115605504, while the sum is 67.

The spelling of 481267461047881 in words is "four hundred eighty-one trillion, two hundred sixty-seven billion, four hundred sixty-one million, forty-seven thousand, eight hundred eighty-one".