11061105505601 has 4 divisors (see below), whose sum is σ = 11062516188804. Its totient is φ = 11059694822400.

The previous prime is 11061105505579. The next prime is 11061105505621. The reversal of 11061105505601 is 10650550116011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6246925378225 + 4814180127376 = 2499385^2 + 2194124^2 .

It is a cyclic number.

It is not a de Polignac number, because 11061105505601 - 2¹⁸ = 11061105243457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11061105505621) 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, 705329840 + ... + 705345521.

It is an arithmetic number, because the mean of its divisors is an integer number (2765629047201).

Almost surely, 2^{11061105505601} is an apocalyptic number.

It is an amenable number.

11061105505601 is a deficient number, since it is larger than the sum of its proper divisors (1410683203).

11061105505601 is an equidigital number, since it uses as much as digits as its factorization.

11061105505601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410683202.

The product of its (nonzero) digits is 4500, while the sum is 32.

The spelling of 11061105505601 in words is "eleven trillion, sixty-one billion, one hundred five million, five hundred five thousand, six hundred one".