1100055105061 has 4 divisors (see below), whose sum is σ = 1200060114624. Its totient is φ = 1000050095500.

The previous prime is 1100055105031. The next prime is 1100055105077. The reversal of 1100055105061 is 1605015500011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1100055105061 - 2⁵ = 1100055105029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100055105011) 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 3 ways as a sum of consecutive naturals, for example, 50002504765 + ... + 50002504786.

It is an arithmetic number, because the mean of its divisors is an integer number (300015028656).

Almost surely, 2^{1100055105061} is an apocalyptic number.

1100055105061 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1100055105061 is a deficient number, since it is larger than the sum of its proper divisors (100005009563).

1100055105061 is a wasteful number, since it uses less digits than its factorization.

1100055105061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100005009562.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 1100055105061 in words is "one trillion, one hundred billion, fifty-five million, one hundred five thousand, sixty-one".