11223603550 has 12 divisors (see below), whose sum is σ = 20875902696. Its totient is φ = 4489441400.

The previous prime is 11223603527. The next prime is 11223603581. The reversal of 11223603550 is 5530632211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112235986 + ... + 112236085.

It is an arithmetic number, because the mean of its divisors is an integer number (1739658558).

Almost surely, 2^11223603550 is an apocalyptic number.

11223603550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11223603550 is a deficient number, since it is larger than the sum of its proper divisors (9652299146).

11223603550 is a wasteful number, since it uses less digits than its factorization.

11223603550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224472083 (or 224472078 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The spelling of 11223603550 in words is "eleven billion, two hundred twenty-three million, six hundred three thousand, five hundred fifty".