1101051100055 has 4 divisors (see below), whose sum is σ = 1321261320072. Its totient is φ = 880840880040.

The previous prime is 1101051100007. The next prime is 1101051100087. The reversal of 1101051100055 is 5500011501011.

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

It is not a de Polignac number, because 1101051100055 - 2³⁰ = 1099977358231 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110105110001 + ... + 110105110010.

It is an arithmetic number, because the mean of its divisors is an integer number (330315330018).

Almost surely, 2^{1101051100055} is an apocalyptic number.

1101051100055 is a deficient number, since it is larger than the sum of its proper divisors (220210220017).

1101051100055 is an equidigital number, since it uses as much as digits as its factorization.

1101051100055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220210220016.

The product of its (nonzero) digits is 125, while the sum is 20.

Adding to 1101051100055 its reverse (5500011501011), we get a palindrome (6601062601066).

The spelling of 1101051100055 in words is "one trillion, one hundred one billion, fifty-one million, one hundred thousand, fifty-five".