11555526606211 has 16 divisors (see below), whose sum is σ = 13701525995520. Its totient is φ = 9536573420640.

The previous prime is 11555526606191. The next prime is 11555526606229. The reversal of 11555526606211 is 11260662555511.

It is not a de Polignac number, because 11555526606211 - 2¹⁷ = 11555526475139 is a prime.

It is a super-2 number, since 2×11555526606211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11555526606251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135112771 + ... + 135198268.

It is an arithmetic number, because the mean of its divisors is an integer number (856345374720).

Almost surely, 2^{11555526606211} is an apocalyptic number.

11555526606211 is a deficient number, since it is larger than the sum of its proper divisors (2145999389309).

11555526606211 is a wasteful number, since it uses less digits than its factorization.

11555526606211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270311274.

The product of its (nonzero) digits is 540000, while the sum is 46.

The spelling of 11555526606211 in words is "eleven trillion, five hundred fifty-five billion, five hundred twenty-six million, six hundred six thousand, two hundred eleven".