265505555063 has 8 divisors (see below), whose sum is σ = 308409263520. Its totient is φ = 223845432480.

The previous prime is 265505555057. The next prime is 265505555071. The reversal of 265505555063 is 360555505562.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 265505555063 - 2¹² = 265505550967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 265505554999 and 265505555017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265505555023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310896008 + ... + 310896861.

It is an arithmetic number, because the mean of its divisors is an integer number (38551157940).

Almost surely, 2^265505555063 is an apocalyptic number.

265505555063 is a deficient number, since it is larger than the sum of its proper divisors (42903708457).

265505555063 is an equidigital number, since it uses as much as digits as its factorization.

265505555063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621792937.

The product of its (nonzero) digits is 3375000, while the sum is 47.

The spelling of 265505555063 in words is "two hundred sixty-five billion, five hundred five million, five hundred fifty-five thousand, sixty-three".