263561144116 has 24 divisors (see below), whose sum is σ = 487971902880. Its totient is φ = 124211015712.

The previous prime is 263561144081. The next prime is 263561144129. The reversal of 263561144116 is 611441165362.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8786830 + ... + 8816773.

It is an arithmetic number, because the mean of its divisors is an integer number (20332162620).

Almost surely, 2^263561144116 is an apocalyptic number.

It is an amenable number.

263561144116 is a deficient number, since it is larger than the sum of its proper divisors (224410758764).

263561144116 is a wasteful number, since it uses less digits than its factorization.

263561144116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17603823 (or 17603821 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The spelling of 263561144116 in words is "two hundred sixty-three billion, five hundred sixty-one million, one hundred forty-four thousand, one hundred sixteen".