11606132621 has 2 divisors, whose sum is σ = 11606132622. Its totient is φ = 11606132620.

The previous prime is 11606132591. The next prime is 11606132641. The reversal of 11606132621 is 12623160611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8328570121 + 3277562500 = 91261^2 + 57250^2 .

It is a cyclic number.

It is not a de Polignac number, because 11606132621 - 2¹⁸ = 11605870477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11606132641) 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 as a sum of consecutive naturals, namely, 5803066310 + 5803066311.

It is an arithmetic number, because the mean of its divisors is an integer number (5803066311).

Almost surely, 2^11606132621 is an apocalyptic number.

It is an amenable number.

11606132621 is a deficient number, since it is larger than the sum of its proper divisors (1).

11606132621 is an equidigital number, since it uses as much as digits as its factorization.

11606132621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 11606132621 in words is "eleven billion, six hundred six million, one hundred thirty-two thousand, six hundred twenty-one".