1100111110550 has 24 divisors (see below), whose sum is σ = 2135172175056. Its totient is φ = 420912076640.

The previous prime is 1100111110523. The next prime is 1100111110583. The reversal of 1100111110550 is 550111110011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 478308029 + ... + 478310328.

It is an arithmetic number, because the mean of its divisors is an integer number (88965507294).

Almost surely, 2^{1100111110550} is an apocalyptic number.

1100111110550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100111110550 is a deficient number, since it is larger than the sum of its proper divisors (1035061064506).

1100111110550 is a wasteful number, since it uses less digits than its factorization.

1100111110550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956618392 (or 956618387 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 17.

Adding to 1100111110550 its reverse (550111110011), we get a palindrome (1650222220561).

The spelling of 1100111110550 in words is "one trillion, one hundred billion, one hundred eleven million, one hundred ten thousand, five hundred fifty".