1100100550550 has 24 divisors (see below), whose sum is σ = 2060907807000. Its totient is φ = 436874460480.

The previous prime is 1100100550543. The next prime is 1100100550567. The reversal of 1100100550550 is 550550010011.

It is a happy number.

It is a Curzon number.

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, 79136975 + ... + 79150874.

It is an arithmetic number, because the mean of its divisors is an integer number (85871158625).

Almost surely, 2^{1100100550550} is an apocalyptic number.

1100100550550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100100550550 is a deficient number, since it is larger than the sum of its proper divisors (960807256450).

1100100550550 is a wasteful number, since it uses less digits than its factorization.

1100100550550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158288000 (or 158287995 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 23.

Adding to 1100100550550 its reverse (550550010011), we get a palindrome (1650650560561).

The spelling of 1100100550550 in words is "one trillion, one hundred billion, one hundred million, five hundred fifty thousand, five hundred fifty".