11133626765 has 4 divisors (see below), whose sum is σ = 13360352124. Its totient is φ = 8906901408.

The previous prime is 11133626761. The next prime is 11133626797. The reversal of 11133626765 is 56762633111.

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 6544648201 + 4588978564 = 80899^2 + 67742^2 .

It is a cyclic number.

It is not a de Polignac number, because 11133626765 - 2² = 11133626761 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 (11133626761) 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, 1113362672 + ... + 1113362681.

It is an arithmetic number, because the mean of its divisors is an integer number (3340088031).

Almost surely, 2^11133626765 is an apocalyptic number.

It is an amenable number.

11133626765 is a deficient number, since it is larger than the sum of its proper divisors (2226725359).

11133626765 is an equidigital number, since it uses as much as digits as its factorization.

11133626765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226725358.

The product of its digits is 136080, while the sum is 41.

The spelling of 11133626765 in words is "eleven billion, one hundred thirty-three million, six hundred twenty-six thousand, seven hundred sixty-five".