265312112563 has 2 divisors, whose sum is σ = 265312112564. Its totient is φ = 265312112562.

The previous prime is 265312112503. The next prime is 265312112579. The reversal of 265312112563 is 365211213562.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265312112563 is a prime.

It is not a weakly prime, because it can be changed into another prime (265312112503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132656056281 + 132656056282.

It is an arithmetic number, because the mean of its divisors is an integer number (132656056282).

Almost surely, 2^265312112563 is an apocalyptic number.

265312112563 is a deficient number, since it is larger than the sum of its proper divisors (1).

265312112563 is an equidigital number, since it uses as much as digits as its factorization.

265312112563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 37.

The spelling of 265312112563 in words is "two hundred sixty-five billion, three hundred twelve million, one hundred twelve thousand, five hundred sixty-three".