11526043066 has 4 divisors (see below), whose sum is σ = 17289064602. Its totient is φ = 5763021532.

The previous prime is 11526043063. The next prime is 11526043079. The reversal of 11526043066 is 66034062511.

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

It can be written as a sum of positive squares in only one way, i.e., 10902492225 + 623550841 = 104415^2 + 24971^2 .

It is not an unprimeable number, because it can be changed into a prime (11526043063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2881510765 + ... + 2881510768.

Almost surely, 2^11526043066 is an apocalyptic number.

11526043066 is a deficient number, since it is larger than the sum of its proper divisors (5763021536).

11526043066 is an equidigital number, since it uses as much as digits as its factorization.

11526043066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5763021535.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 11526043066 in words is "eleven billion, five hundred twenty-six million, forty-three thousand, sixty-six".