11520304550 has 48 divisors (see below), whose sum is σ = 21713266512. Its totient is φ = 4546867200.

The previous prime is 11520304513. The next prime is 11520304553. The reversal of 11520304550 is 5540302511.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520304553) 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 23 ways as a sum of consecutive naturals, for example, 5049410 + ... + 5051690.

It is an arithmetic number, because the mean of its divisors is an integer number (452359719).

Almost surely, 2^11520304550 is an apocalyptic number.

11520304550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11520304550 is a deficient number, since it is larger than the sum of its proper divisors (10192961962).

11520304550 is a wasteful number, since it uses less digits than its factorization.

11520304550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3593 (or 3588 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 11520304550 in words is "eleven billion, five hundred twenty million, three hundred four thousand, five hundred fifty".