11005060555501 has 4 divisors (see below), whose sum is σ = 11040220493692. Its totient is φ = 10969900617312.

The previous prime is 11005060555483. The next prime is 11005060555529. The reversal of 11005060555501 is 10555506050011.

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 2385264024900 + 8619796530601 = 1544430^2 + 2935949^2 .

It is a cyclic number.

It is not a de Polignac number, because 11005060555501 - 2⁹ = 11005060554989 is a prime.

It is a super-2 number, since 2×11005060555501² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11005060555001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17579968626 + ... + 17579969251.

It is an arithmetic number, because the mean of its divisors is an integer number (2760055123423).

Almost surely, 2^{11005060555501} is an apocalyptic number.

It is an amenable number.

11005060555501 is a deficient number, since it is larger than the sum of its proper divisors (35159938191).

11005060555501 is an equidigital number, since it uses as much as digits as its factorization.

11005060555501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35159938190.

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 11005060555501 in words is "eleven trillion, five billion, sixty million, five hundred fifty-five thousand, five hundred one".