11540204424 has 72 divisors (see below), whose sum is σ = 36357542910. Its totient is φ = 3297200256.

The previous prime is 11540204411. The next prime is 11540204447. The reversal of 11540204424 is 42440204511.

It can be written as a sum of positive squares in only one way, i.e., 8654580900 + 2885623524 = 93030^2 + 53718^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1631989 + ... + 1639044.

Almost surely, 2^11540204424 is an apocalyptic number.

11540204424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11540204424 is an abundant number, since it is smaller than the sum of its proper divisors (24817338486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11540204424 is a wasteful number, since it uses less digits than its factorization.

11540204424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3271059 (or 3271045 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

Adding to 11540204424 its reverse (42440204511), we get a palindrome (53980408935).

The spelling of 11540204424 in words is "eleven billion, five hundred forty million, two hundred four thousand, four hundred twenty-four".