11520414428 has 12 divisors (see below), whose sum is σ = 20461632072. Its totient is φ = 5674233840.

The previous prime is 11520414427. The next prime is 11520414431. The reversal of 11520414428 is 82441402511.

It is a junction number, because it is equal to n+sod(n) for n = 11520414394 and 11520414403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520414421) 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, 21493043 + ... + 21493578.

It is an arithmetic number, because the mean of its divisors is an integer number (1705136006).

Almost surely, 2^11520414428 is an apocalyptic number.

It is an amenable number.

11520414428 is a deficient number, since it is larger than the sum of its proper divisors (8941217644).

11520414428 is a wasteful number, since it uses less digits than its factorization.

11520414428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42986692 (or 42986690 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

Adding to 11520414428 its reverse (82441402511), we get a palindrome (93961816939).

The spelling of 11520414428 in words is "eleven billion, five hundred twenty million, four hundred fourteen thousand, four hundred twenty-eight".