11243572755 has 16 divisors (see below), whose sum is σ = 18017281440. Its totient is φ = 5987383808.

The previous prime is 11243572751. The next prime is 11243572757. The reversal of 11243572755 is 55727534211.

It is a happy number.

11243572755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11243572755 - 2² = 11243572751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11243572751) 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 15 ways as a sum of consecutive naturals, for example, 564150 + ... + 583739.

It is an arithmetic number, because the mean of its divisors is an integer number (1126080090).

Almost surely, 2^11243572755 is an apocalyptic number.

11243572755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11243572755 is a deficient number, since it is larger than the sum of its proper divisors (6773708685).

11243572755 is a wasteful number, since it uses less digits than its factorization.

11243572755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148550.

The product of its digits is 294000, while the sum is 42.

The spelling of 11243572755 in words is "eleven billion, two hundred forty-three million, five hundred seventy-two thousand, seven hundred fifty-five".