11331550243 has 8 divisors (see below), whose sum is σ = 12921043968. Its totient is φ = 9844604544.

The previous prime is 11331550177. The next prime is 11331550271. The reversal of 11331550243 is 34205513311.

It is a happy number.

11331550243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11331550243 - 2⁹ = 11331549731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11331550943) 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 7 ways as a sum of consecutive naturals, for example, 25636771 + ... + 25637212.

It is an arithmetic number, because the mean of its divisors is an integer number (1615130496).

Almost surely, 2^11331550243 is an apocalyptic number.

11331550243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11331550243 is a deficient number, since it is larger than the sum of its proper divisors (1589493725).

11331550243 is a wasteful number, since it uses less digits than its factorization.

11331550243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51274013.

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 11331550243 in words is "eleven billion, three hundred thirty-one million, five hundred fifty thousand, two hundred forty-three".