11371238550 has 144 divisors (see below), whose sum is σ = 34983198432. Its totient is φ = 2594073600.

The previous prime is 11371238539. The next prime is 11371238551. The reversal of 11371238550 is 5583217311.

It is a happy number.

11371238550 is a `hidden beast` number, since 1 + 1 + 3 + 71 + 2 + 38 + 550 = 666.

11371238550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11371238550² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11371238551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1751310 + ... + 1757790.

It is an arithmetic number, because the mean of its divisors is an integer number (242938878).

Almost surely, 2^11371238550 is an apocalyptic number.

11371238550 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 11371238550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17491599216).

11371238550 is an abundant number, since it is smaller than the sum of its proper divisors (23611959882).

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

11371238550 is a wasteful number, since it uses less digits than its factorization.

11371238550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7063 (or 7055 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The spelling of 11371238550 in words is "eleven billion, three hundred seventy-one million, two hundred thirty-eight thousand, five hundred fifty".