11066042437 has 4 divisors (see below), whose sum is σ = 11068132140. Its totient is φ = 11063952736.

The previous prime is 11066042423. The next prime is 11066042461. The reversal of 11066042437 is 73424066011.

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 2078812836 + 8987229601 = 45594^2 + 94801^2 .

It is a cyclic number.

It is not a de Polignac number, because 11066042437 - 2¹¹ = 11066040389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11066042137) 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, 1036888 + ... + 1047505.

It is an arithmetic number, because the mean of its divisors is an integer number (2767033035).

Almost surely, 2^11066042437 is an apocalyptic number.

It is an amenable number.

11066042437 is a deficient number, since it is larger than the sum of its proper divisors (2089703).

11066042437 is an equidigital number, since it uses as much as digits as its factorization.

11066042437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2089702.

The product of its (nonzero) digits is 24192, while the sum is 34.

The spelling of 11066042437 in words is "eleven billion, sixty-six million, forty-two thousand, four hundred thirty-seven".