11722241055 has 32 divisors (see below), whose sum is σ = 21450046464. Its totient is φ = 5354966016.

The previous prime is 11722241039. The next prime is 11722241057. The reversal of 11722241055 is 55014222711.

It is a happy number.

It is not a de Polignac number, because 11722241055 - 2⁴ = 11722241039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11722241057) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 113359 + ... + 190511.

It is an arithmetic number, because the mean of its divisors is an integer number (670313952).

Almost surely, 2^11722241055 is an apocalyptic number.

11722241055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11722241055 is a deficient number, since it is larger than the sum of its proper divisors (9727805409).

11722241055 is a wasteful number, since it uses less digits than its factorization.

11722241055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78615.

The product of its (nonzero) digits is 5600, while the sum is 30.

Adding to 11722241055 its reverse (55014222711), we get a palindrome (66736463766).

The spelling of 11722241055 in words is "eleven billion, seven hundred twenty-two million, two hundred forty-one thousand, fifty-five".