1100055055550 has 48 divisors (see below), whose sum is σ = 2309081115600. Its totient is φ = 386226220800.

The previous prime is 1100055055499. The next prime is 1100055055553. The reversal of 1100055055550 is 555505500011.

It is a super-2 number, since 2×1100055055550² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100055055553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34468535 + ... + 34500434.

It is an arithmetic number, because the mean of its divisors is an integer number (48105856575).

Almost surely, 2^{1100055055550} is an apocalyptic number.

1100055055550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100055055550 is an abundant number, since it is smaller than the sum of its proper divisors (1209026060050).

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

1100055055550 is a wasteful number, since it uses less digits than its factorization.

1100055055550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68969021 (or 68969016 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 32.

The spelling of 1100055055550 in words is "one trillion, one hundred billion, fifty-five million, fifty-five thousand, five hundred fifty".