265361526061056 has 576 divisors, whose sum is σ = 822326990284800. Its totient is φ = 85403322777600.

The previous prime is 265361526061039. The next prime is 265361526061061. The reversal of 265361526061056 is 650160625163562.

265361526061056 is a `hidden beast` number, since 2 + 6 + 5 + 3 + 6 + 1 + 526 + 0 + 6 + 105 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 265361526060993 and 265361526061011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6772689786 + ... + 6772728966.

It is an arithmetic number, because the mean of its divisors is an integer number (1427651024800).

Almost surely, 2^{265361526061056} 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 265361526061056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (411163495142400).

265361526061056 is an abundant number, since it is smaller than the sum of its proper divisors (556965464223744).

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

265361526061056 is an equidigital number, since it uses as much as digits as its factorization.

265361526061056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39688 (or 39656 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 54.

The spelling of 265361526061056 in words is "two hundred sixty-five trillion, three hundred sixty-one billion, five hundred twenty-six million, sixty-one thousand, fifty-six".