4831581261261 has 8 divisors (see below), whose sum is σ = 6443323174080. Its totient is φ = 3220446761312.

The previous prime is 4831581261239. The next prime is 4831581261301. The reversal of 4831581261261 is 1621621851384.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4831581261261 - 2⁶ = 4831581261197 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4831581261261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4831581261061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151834656 + ... + 151866473.

It is an arithmetic number, because the mean of its divisors is an integer number (805415396760).

Almost surely, 2^{4831581261261} is an apocalyptic number.

It is an amenable number.

4831581261261 is a deficient number, since it is larger than the sum of its proper divisors (1611741912819).

4831581261261 is a wasteful number, since it uses less digits than its factorization.

4831581261261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303706435.

The product of its digits is 552960, while the sum is 48.

The spelling of 4831581261261 in words is "four trillion, eight hundred thirty-one billion, five hundred eighty-one million, two hundred sixty-one thousand, two hundred sixty-one".