11101000550 has 12 divisors (see below), whose sum is σ = 20647861116. Its totient is φ = 4440400200.

The previous prime is 11101000549. The next prime is 11101000613. The reversal of 11101000550 is 5500010111.

It is a super-2 number, since 2×11101000550² (a number of 21 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 111009956 + ... + 111010055.

It is an arithmetic number, because the mean of its divisors is an integer number (1720655093).

Almost surely, 2^11101000550 is an apocalyptic number.

11101000550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11101000550 is a deficient number, since it is larger than the sum of its proper divisors (9546860566).

11101000550 is a wasteful number, since it uses less digits than its factorization.

11101000550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222020023 (or 222020018 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 14.

Adding to 11101000550 its reverse (5500010111), we get a palindrome (16601010661).

The spelling of 11101000550 in words is "eleven billion, one hundred one million, five hundred fifty", and thus it is an aban number.