263116044912 has 80 divisors (see below), whose sum is σ = 801877501952. Its totient is φ = 72750977280.

The previous prime is 263116044907. The next prime is 263116044931. The reversal of 263116044912 is 219440611362.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12619963 + ... + 12640794.

Almost surely, 2^263116044912 is an apocalyptic number.

It is an amenable number.

263116044912 is an abundant number, since it is smaller than the sum of its proper divisors (538761457040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

263116044912 is a wasteful number, since it uses less digits than its factorization.

263116044912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25260806 (or 25260800 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 263116044912 in words is "two hundred sixty-three billion, one hundred sixteen million, forty-four thousand, nine hundred twelve".