11105560061 has 8 divisors (see below), whose sum is σ = 11141453400. Its totient is φ = 11069690688.

The previous prime is 11105560043. The next prime is 11105560087. The reversal of 11105560061 is 16006550111.

It can be written as a sum of positive squares in 4 ways, for example, as 3400056100 + 7705503961 = 58310^2 + 87781^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11105560061 - 2¹⁰ = 11105559037 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 11105560061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11105560031) 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, 1530935 + ... + 1538171.

It is an arithmetic number, because the mean of its divisors is an integer number (1392681675).

Almost surely, 2^11105560061 is an apocalyptic number.

It is an amenable number.

11105560061 is a deficient number, since it is larger than the sum of its proper divisors (35893339).

11105560061 is an equidigital number, since it uses as much as digits as its factorization.

11105560061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11983.

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 11105560061 in words is "eleven billion, one hundred five million, five hundred sixty thousand, sixty-one".