11540220424 has 32 divisors (see below), whose sum is σ = 22081089240. Its totient is φ = 5652275200.

The previous prime is 11540220407. The next prime is 11540220457. The reversal of 11540220424 is 42402204511.

11540220424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10369348900 + 1170871524 = 101830^2 + 34218^2 .

It is an unprimeable number.

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, 250554 + ... + 293014.

Almost surely, 2^11540220424 is an apocalyptic number.

It is an amenable number.

11540220424 is a deficient number, since it is larger than the sum of its proper divisors (10540868816).

11540220424 is a wasteful number, since it uses less digits than its factorization.

11540220424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43161 (or 43157 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 11540220424 its reverse (42402204511), we get a palindrome (53942424935).

The spelling of 11540220424 in words is "eleven billion, five hundred forty million, two hundred twenty thousand, four hundred twenty-four".