11123460550 has 12 divisors (see below), whose sum is σ = 20689636716. Its totient is φ = 4449384200.

The previous prime is 11123460539. The next prime is 11123460559. The reversal of 11123460550 is 5506432111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123460559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 111234556 + ... + 111234655.

It is an arithmetic number, because the mean of its divisors is an integer number (1724136393).

Almost surely, 2^11123460550 is an apocalyptic number.

11123460550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11123460550 is a deficient number, since it is larger than the sum of its proper divisors (9566176166).

11123460550 is a wasteful number, since it uses less digits than its factorization.

11123460550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222469223 (or 222469218 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 11123460550 its reverse (5506432111), we get a palindrome (16629892661).

The spelling of 11123460550 in words is "eleven billion, one hundred twenty-three million, four hundred sixty thousand, five hundred fifty".