11622665069 has 4 divisors (see below), whose sum is σ = 11622889596. Its totient is φ = 11622440544.

The previous prime is 11622665053. The next prime is 11622665083. The reversal of 11622665069 is 96056622611.

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 7393764169 + 4228900900 = 85987^2 + 65030^2 .

It is a cyclic number.

It is not a de Polignac number, because 11622665069 - 2⁴ = 11622665053 is a prime.

It is a super-2 number, since 2×11622665069² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11622665869) 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, 9167 + ... + 152739.

It is an arithmetic number, because the mean of its divisors is an integer number (2905722399).

Almost surely, 2^11622665069 is an apocalyptic number.

It is an amenable number.

11622665069 is a deficient number, since it is larger than the sum of its proper divisors (224527).

11622665069 is an equidigital number, since it uses as much as digits as its factorization.

11622665069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224526.

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 11622665069 in words is "eleven billion, six hundred twenty-two million, six hundred sixty-five thousand, sixty-nine".