8481018607261 has 4 divisors (see below), whose sum is σ = 8484222621472. Its totient is φ = 8477814593052.

The previous prime is 8481018607247. The next prime is 8481018607309. The reversal of 8481018607261 is 1627068101848.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8481018607261 - 2³⁷ = 8343579653789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8481018607199 and 8481018607208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8481018607231) 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, 1602003135 + ... + 1602008428.

It is an arithmetic number, because the mean of its divisors is an integer number (2121055655368).

Almost surely, 2^{8481018607261} is an apocalyptic number.

It is an amenable number.

8481018607261 is a deficient number, since it is larger than the sum of its proper divisors (3204014211).

8481018607261 is a wasteful number, since it uses less digits than its factorization.

8481018607261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204014210.

The product of its (nonzero) digits is 1032192, while the sum is 52.

The spelling of 8481018607261 in words is "eight trillion, four hundred eighty-one billion, eighteen million, six hundred seven thousand, two hundred sixty-one".