11424120081 has 8 divisors (see below), whose sum is σ = 16616901984. Its totient is φ = 6923709120.

The previous prime is 11424120007. The next prime is 11424120089. The reversal of 11424120081 is 18002142411.

11424120081 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 not a de Polignac number, because 11424120081 - 2¹⁴ = 11424103697 is a prime.

It is a super-2 number, since 2×11424120081² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11424120089) 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, 173092696 + ... + 173092761.

It is an arithmetic number, because the mean of its divisors is an integer number (2077112748).

Almost surely, 2^11424120081 is an apocalyptic number.

11424120081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11424120081 is a deficient number, since it is larger than the sum of its proper divisors (5192781903).

11424120081 is a wasteful number, since it uses less digits than its factorization.

11424120081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346185471.

The product of its (nonzero) digits is 512, while the sum is 24.

Adding to 11424120081 its reverse (18002142411), we get a palindrome (29426262492).

The spelling of 11424120081 in words is "eleven billion, four hundred twenty-four million, one hundred twenty thousand, eighty-one".