11420240011 has 8 divisors (see below), whose sum is σ = 11696566640. Its totient is φ = 11144401632.

The previous prime is 11420239993. The next prime is 11420240063. The reversal of 11420240011 is 11004202411.

It is a happy number.

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 11420240011 - 2⁹ = 11420239499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11420240411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74496 + ... + 168493.

It is an arithmetic number, because the mean of its divisors is an integer number (1462070830).

Almost surely, 2^11420240011 is an apocalyptic number.

11420240011 is a deficient number, since it is larger than the sum of its proper divisors (276326629).

11420240011 is a wasteful number, since it uses less digits than its factorization.

11420240011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244125.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 11420240011 its reverse (11004202411), we get a palindrome (22424442422).

It can be divided in two parts, 114202400 and 11, that added together give a palindrome (114202411).

The spelling of 11420240011 in words is "eleven billion, four hundred twenty million, two hundred forty thousand, eleven".