1105464645561 has 16 divisors (see below), whose sum is σ = 1513980737984. Its totient is φ = 716967526464.

The previous prime is 1105464645521. The next prime is 1105464645569. The reversal of 1105464645561 is 1655464645011.

It is not a de Polignac number, because 1105464645561 - 2⁷ = 1105464645433 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 1105464645561.

It is not an unprimeable number, because it can be changed into a prime (1105464645569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 258555 + ... + 1509231.

It is an arithmetic number, because the mean of its divisors is an integer number (94623796124).

Almost surely, 2^{1105464645561} is an apocalyptic number.

It is an amenable number.

1105464645561 is a deficient number, since it is larger than the sum of its proper divisors (408516092423).

1105464645561 is a wasteful number, since it uses less digits than its factorization.

1105464645561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258680.

The product of its (nonzero) digits is 1728000, while the sum is 48.

The spelling of 1105464645561 in words is "one trillion, one hundred five billion, four hundred sixty-four million, six hundred forty-five thousand, five hundred sixty-one".