11520244550 has 24 divisors (see below), whose sum is σ = 21668423400. Its totient is φ = 4556319680.

The previous prime is 11520244517. The next prime is 11520244591. The reversal of 11520244550 is 5544202511.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1289960 + ... + 1298859.

It is an arithmetic number, because the mean of its divisors is an integer number (902850975).

Almost surely, 2^11520244550 is an apocalyptic number.

11520244550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11520244550 is a deficient number, since it is larger than the sum of its proper divisors (10148178850).

11520244550 is a wasteful number, since it uses less digits than its factorization.

11520244550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588920 (or 2588915 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 11520244550 in words is "eleven billion, five hundred twenty million, two hundred forty-four thousand, five hundred fifty".