265204300540056 has 64 divisors (see below), whose sum is σ = 688596957189120. Its totient is φ = 85024929087360.

The previous prime is 265204300540051. The next prime is 265204300540093. The reversal of 265204300540056 is 650045003402562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265204300540051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1093306315 + ... + 1093548858.

It is an arithmetic number, because the mean of its divisors is an integer number (10759327456080).

Almost surely, 2^{265204300540056} is an apocalyptic number.

It is an amenable number.

265204300540056 is an abundant number, since it is smaller than the sum of its proper divisors (423392656649064).

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

265204300540056 is a wasteful number, since it uses less digits than its factorization.

265204300540056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186855376 (or 2186855372 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 265204300540056 in words is "two hundred sixty-five trillion, two hundred four billion, three hundred million, five hundred forty thousand, fifty-six".