1100560550561 has 8 divisors (see below), whose sum is σ = 1100986055400. Its totient is φ = 1100135122560.

The previous prime is 1100560550549. The next prime is 1100560550599. The reversal of 1100560550561 is 1650550650011.

It can be written as a sum of positive squares in 4 ways, for example, as 135244475536 + 965316075025 = 367756^2 + 982505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100560550561 is a prime.

It is a super-2 number, since 2×1100560550561² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1100560555561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56519135 + ... + 56538603.

It is an arithmetic number, because the mean of its divisors is an integer number (137623256925).

Almost surely, 2^{1100560550561} is an apocalyptic number.

It is an amenable number.

1100560550561 is a deficient number, since it is larger than the sum of its proper divisors (425504839).

1100560550561 is a wasteful number, since it uses less digits than its factorization.

1100560550561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38419.

The product of its (nonzero) digits is 22500, while the sum is 35.

The spelling of 1100560550561 in words is "one trillion, one hundred billion, five hundred sixty million, five hundred fifty thousand, five hundred sixty-one".