265312112560 has 80 divisors (see below), whose sum is σ = 673120846080. Its totient is φ = 96449483520.

The previous prime is 265312112503. The next prime is 265312112563. The reversal of 265312112560 is 65211213562.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (265312112563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3164461 + ... + 3247219.

It is an arithmetic number, because the mean of its divisors is an integer number (8414010576).

Almost surely, 2^265312112560 is an apocalyptic number.

265312112560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265312112560 is an abundant number, since it is smaller than the sum of its proper divisors (407808733520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265312112560 is a wasteful number, since it uses less digits than its factorization.

265312112560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86426 (or 86420 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 265312112560 in words is "two hundred sixty-five billion, three hundred twelve million, one hundred twelve thousand, five hundred sixty".