11012261312250 has 192 divisors, whose sum is σ = 32497985624832. Its totient is φ = 2668503600000.

The previous prime is 11012261312189. The next prime is 11012261312257. The reversal of 11012261312250 is 5221316221011.

It is a happy number.

11012261312250 is a `hidden beast` number, since 1 + 1 + 0 + 1 + 22 + 613 + 1 + 2 + 25 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (11012261312257) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 58836315 + ... + 59023185.

It is an arithmetic number, because the mean of its divisors is an integer number (169260341796).

Almost surely, 2^{11012261312250} is an apocalyptic number.

11012261312250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11012261312250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16248992812416).

11012261312250 is an abundant number, since it is smaller than the sum of its proper divisors (21485724312582).

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

11012261312250 is a wasteful number, since it uses less digits than its factorization.

11012261312250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189286 (or 189273 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 11012261312250 its reverse (5221316221011), we get a palindrome (16233577533261).

The spelling of 11012261312250 in words is "eleven trillion, twelve billion, two hundred sixty-one million, three hundred twelve thousand, two hundred fifty".