11401424011 has 4 divisors (see below), whose sum is σ = 11512117552. Its totient is φ = 11290730472.

The previous prime is 11401424009. The next prime is 11401424029. The reversal of 11401424011 is 11042410411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11042410411 = 2543 ⋅4342277.

It is a cyclic number.

It is not a de Polignac number, because 11401424011 - 2¹ = 11401424009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11401424011.

It is not an unprimeable number, because it can be changed into a prime (11401424611) 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 3 ways as a sum of consecutive naturals, for example, 55346616 + ... + 55346821.

It is an arithmetic number, because the mean of its divisors is an integer number (2878029388).

Almost surely, 2^11401424011 is an apocalyptic number.

11401424011 is a deficient number, since it is larger than the sum of its proper divisors (110693541).

11401424011 is a wasteful number, since it uses less digits than its factorization.

11401424011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110693540.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11401424011 its reverse (11042410411), we get a palindrome (22443834422).

The spelling of 11401424011 in words is "eleven billion, four hundred one million, four hundred twenty-four thousand, eleven".