1100550110100 has 144 divisors (see below), whose sum is σ = 3640236259968. Its totient is φ = 251479388160.

The previous prime is 1100550110087. The next prime is 1100550110111. The reversal of 1100550110100 is 10110550011.

It is a super-2 number, since 2×1100550110100² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1100550110100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7132972 + ... + 7285628.

It is an arithmetic number, because the mean of its divisors is an integer number (25279418472).

Almost surely, 2^{1100550110100} is an apocalyptic number.

1100550110100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100550110100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1820118129984).

1100550110100 is an abundant number, since it is smaller than the sum of its proper divisors (2539686149868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1100550110100 is a wasteful number, since it uses less digits than its factorization.

1100550110100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156114 (or 156107 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 15.

Adding to 1100550110100 its reverse (10110550011), we get a palindrome (1110660660111).

The spelling of 1100550110100 in words is "one trillion, one hundred billion, five hundred fifty million, one hundred ten thousand, one hundred".