265235522130564 has 96 divisors (see below), whose sum is σ = 683895349138176. Its totient is φ = 79579670691840.

The previous prime is 265235522130563. The next prime is 265235522130613. The reversal of 265235522130564 is 465031225532562.

It is a super-3 number, since 3×265235522130564³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (265235522130563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22655254 + ... + 32306834.

It is an arithmetic number, because the mean of its divisors is an integer number (7123909886856).

Almost surely, 2^{265235522130564} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265235522130564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (341947674569088).

265235522130564 is an abundant number, since it is smaller than the sum of its proper divisors (418659827007612).

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

265235522130564 is a wasteful number, since it uses less digits than its factorization.

265235522130564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9657485 (or 9657483 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 51.

The spelling of 265235522130564 in words is "two hundred sixty-five trillion, two hundred thirty-five billion, five hundred twenty-two million, one hundred thirty thousand, five hundred sixty-four".