265563240005 has 32 divisors (see below), whose sum is σ = 375425018880. Its totient is φ = 176524842240.

The previous prime is 265563239993. The next prime is 265563240049. The reversal of 265563240005 is 500042365562.

It is not a de Polignac number, because 265563240005 - 2⁶ = 265563239941 is a prime.

It is a super-4 number, since 4×265563240005⁴ (a number of 47 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27410 + ... + 729299.

It is an arithmetic number, because the mean of its divisors is an integer number (11732031840).

Almost surely, 2^265563240005 is an apocalyptic number.

It is an amenable number.

265563240005 is a deficient number, since it is larger than the sum of its proper divisors (109861778875).

265563240005 is a wasteful number, since it uses less digits than its factorization.

265563240005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 757029.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 265563240005 in words is "two hundred sixty-five billion, five hundred sixty-three million, two hundred forty thousand, five".