265081603050 has 576 divisors, whose sum is σ = 839271283200. Its totient is φ = 61414848000.

The previous prime is 265081603037. The next prime is 265081603051. The reversal of 265081603050 is 50306180562.

265081603050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 265081602996 and 265081603014.

It is not an unprimeable number, because it can be changed into a prime (265081603051) 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 287 ways as a sum of consecutive naturals, for example, 368680591 + ... + 368681309.

It is an arithmetic number, because the mean of its divisors is an integer number (1457068200).

Almost surely, 2^265081603050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265081603050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419635641600).

265081603050 is an abundant number, since it is smaller than the sum of its proper divisors (574189680150).

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

265081603050 is a wasteful number, since it uses less digits than its factorization.

265081603050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860 (or 838 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 265081603050 in words is "two hundred sixty-five billion, eighty-one million, six hundred three thousand, fifty".