263116425305 has 16 divisors (see below), whose sum is σ = 329956602624. Its totient is φ = 201223518720.

The previous prime is 263116425263. The next prime is 263116425353. The reversal of 263116425305 is 503524611362.

It is not a de Polignac number, because 263116425305 - 2¹² = 263116421209 is a prime.

It is a Duffinian 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, 13009016 + ... + 13029225.

It is an arithmetic number, because the mean of its divisors is an integer number (20622287664).

Almost surely, 2^263116425305 is an apocalyptic number.

It is an amenable number.

263116425305 is a deficient number, since it is larger than the sum of its proper divisors (66840177319).

263116425305 is a wasteful number, since it uses less digits than its factorization.

263116425305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26038336.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 263116425305 in words is "two hundred sixty-three billion, one hundred sixteen million, four hundred twenty-five thousand, three hundred five".