1101000055 has 4 divisors (see below), whose sum is σ = 1321200072. Its totient is φ = 880800040.

The previous prime is 1100999989. The next prime is 1101000059. The reversal of 1101000055 is 5500001011.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1101000055 - 2¹³ = 1100991863 is a prime.

It is a super-2 number, since 2×1101000055² = 2424402242220006050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1100999999 and 1101000044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101000059) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110100001 + ... + 110100010.

It is an arithmetic number, because the mean of its divisors is an integer number (330300018).

Almost surely, 2^1101000055 is an apocalyptic number.

1101000055 is a deficient number, since it is larger than the sum of its proper divisors (220200017).

1101000055 is an equidigital number, since it uses as much as digits as its factorization.

1101000055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220200016.

The product of its (nonzero) digits is 25, while the sum is 13.

The square root of 1101000055 is about 33181.3208748537. The cubic root of 1101000055 is about 1032.5928500631.

Adding to 1101000055 its reverse (5500001011), we get a palindrome (6601001066).

The spelling of 1101000055 in words is "one billion, one hundred one million, fifty-five", and thus it is an aban number.