1105818522100 has 36 divisors (see below), whose sum is σ = 2400896918700. Its totient is φ = 442093173760.

The previous prime is 1105818522091. The next prime is 1105818522119. The reversal of 1105818522100 is 12258185011.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 42003682704 + 1063814839396 = 204948^2 + 1031414^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2738095 + ... + 3115894.

It is an arithmetic number, because the mean of its divisors is an integer number (66691581075).

Almost surely, 2^{1105818522100} is an apocalyptic number.

1105818522100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105818522100 is an abundant number, since it is smaller than the sum of its proper divisors (1295078396600).

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

1105818522100 is a wasteful number, since it uses less digits than its factorization.

1105818522100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5855892 (or 5855885 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 34.

The spelling of 1105818522100 in words is "one trillion, one hundred five billion, eight hundred eighteen million, five hundred twenty-two thousand, one hundred".