263125626116425 has 6 divisors (see below), whose sum is σ = 326275776384398. Its totient is φ = 210500500893120.

The previous prime is 263125626116393. The next prime is 263125626116473. The reversal of 263125626116425 is 524611626521362.

It can be written as a sum of positive squares in 3 ways, for example, as 7227344010384 + 255898282106041 = 2688372^2 + 15996821^2 .

It is not a de Polignac number, because 263125626116425 - 2⁵ = 263125626116393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5262512522304 + ... + 5262512522353.

Almost surely, 2^{263125626116425} is an apocalyptic number.

263125626116425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

263125626116425 is a deficient number, since it is larger than the sum of its proper divisors (63150150267973).

263125626116425 is a wasteful number, since it uses less digits than its factorization.

263125626116425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10525025044667 (or 10525025044662 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 52.

The spelling of 263125626116425 in words is "two hundred sixty-three trillion, one hundred twenty-five billion, six hundred twenty-six million, one hundred sixteen thousand, four hundred twenty-five".