11917334069 has 4 divisors (see below), whose sum is σ = 11918025696. Its totient is φ = 11916642444.

The previous prime is 11917334047. The next prime is 11917334081. The reversal of 11917334069 is 96043371911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96043371911 = 7151 ⋅13430761.

It is a cyclic number.

It is not a de Polignac number, because 11917334069 - 2¹² = 11917329973 is a prime.

It is a super-2 number, since 2×11917334069² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11917334089) 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, 319289 + ... + 354654.

It is an arithmetic number, because the mean of its divisors is an integer number (2979506424).

Almost surely, 2^11917334069 is an apocalyptic number.

It is an amenable number.

11917334069 is a deficient number, since it is larger than the sum of its proper divisors (691627).

11917334069 is an equidigital number, since it uses as much as digits as its factorization.

11917334069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691626.

The product of its (nonzero) digits is 122472, while the sum is 44.

The spelling of 11917334069 in words is "eleven billion, nine hundred seventeen million, three hundred thirty-four thousand, sixty-nine".