1105611101051 has 4 divisors (see below), whose sum is σ = 1106476890192. Its totient is φ = 1104745311912.

The previous prime is 1105611101047. The next prime is 1105611101129. The reversal of 1105611101051 is 1501011165011.

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

It is a cyclic number.

It is not a de Polignac number, because 1105611101051 - 2² = 1105611101047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105611101041) 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, 432892655 + ... + 432895208.

It is an arithmetic number, because the mean of its divisors is an integer number (276619222548).

Almost surely, 2^{1105611101051} is an apocalyptic number.

1105611101051 is a deficient number, since it is larger than the sum of its proper divisors (865789141).

1105611101051 is an equidigital number, since it uses as much as digits as its factorization.

1105611101051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865789140.

The product of its (nonzero) digits is 150, while the sum is 23.

Adding to 1105611101051 its reverse (1501011165011), we get a palindrome (2606622266062).

The spelling of 1105611101051 in words is "one trillion, one hundred five billion, six hundred eleven million, one hundred one thousand, fifty-one".