265553212050 has 192 divisors, whose sum is σ = 837386760960. Its totient is φ = 60617687040.

The previous prime is 265553212049. The next prime is 265553212063. The reversal of 265553212050 is 50212355562.

265553212050 is a `hidden beast` number, since 2 + 6 + 55 + 532 + 1 + 20 + 50 = 666.

265553212050 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 = 265553211996 and 265553212014.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 7286674 + ... + 7323026.

It is an arithmetic number, because the mean of its divisors is an integer number (4361389380).

Almost surely, 2^265553212050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265553212050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (418693380480).

265553212050 is an abundant number, since it is smaller than the sum of its proper divisors (571833548910).

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

265553212050 is a wasteful number, since it uses less digits than its factorization.

265553212050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37154 (or 37143 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 265553212050 in words is "two hundred sixty-five billion, five hundred fifty-three million, two hundred twelve thousand, fifty".