1105560011051 has 4 divisors (see below), whose sum is σ = 1109114866704. Its totient is φ = 1102005155400.

The previous prime is 1105560011009. The next prime is 1105560011077. The reversal of 1105560011051 is 1501100655011.

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 1105560011051 - 2¹⁴ = 1105559994667 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1105560011051.

It is not an unprimeable number, because it can be changed into a prime (1105560011251) 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, 1777427360 + ... + 1777427981.

It is an arithmetic number, because the mean of its divisors is an integer number (277278716676).

Almost surely, 2^{1105560011051} is an apocalyptic number.

1105560011051 is a deficient number, since it is larger than the sum of its proper divisors (3554855653).

1105560011051 is an equidigital number, since it uses as much as digits as its factorization.

1105560011051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3554855652.

The product of its (nonzero) digits is 750, while the sum is 26.

Adding to 1105560011051 its reverse (1501100655011), we get a palindrome (2606660666062).

The spelling of 1105560011051 in words is "one trillion, one hundred five billion, five hundred sixty million, eleven thousand, fifty-one".