11424120305511 has 8 divisors (see below), whose sum is σ = 15352098678784. Its totient is φ = 7556111067960.

The previous prime is 11424120305503. The next prime is 11424120305569. The reversal of 11424120305511 is 11550302142411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11424120305511 - 2³ = 11424120305503 is a prime.

It is a super-2 number, since 2×11424120305511² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11424120301511) 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, 14992283485 + ... + 14992284246.

It is an arithmetic number, because the mean of its divisors is an integer number (1919012334848).

Almost surely, 2^{11424120305511} is an apocalyptic number.

11424120305511 is a deficient number, since it is larger than the sum of its proper divisors (3927978373273).

11424120305511 is a wasteful number, since it uses less digits than its factorization.

11424120305511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29984567861.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 11424120305511 its reverse (11550302142411), we get a palindrome (22974422447922).

The spelling of 11424120305511 in words is "eleven trillion, four hundred twenty-four billion, one hundred twenty million, three hundred five thousand, five hundred eleven".