1100055105492 has 96 divisors (see below), whose sum is σ = 2983715481600. Its totient is φ = 308920958592.

The previous prime is 1100055105491. The next prime is 1100055105503. The reversal of 1100055105492 is 2945015500011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100055105491) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35216593 + ... + 35247815.

It is an arithmetic number, because the mean of its divisors is an integer number (31080369600).

Almost surely, 2^{1100055105492} is an apocalyptic number.

1100055105492 is a gapful number since it is divisible by the number (12) 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 1100055105492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1491857740800).

1100055105492 is an abundant number, since it is smaller than the sum of its proper divisors (1883660376108).

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

1100055105492 is a wasteful number, since it uses less digits than its factorization.

1100055105492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38405 (or 38403 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 33.

The spelling of 1100055105492 in words is "one trillion, one hundred billion, fifty-five million, one hundred five thousand, four hundred ninety-two".