11917334027 has 4 divisors (see below), whose sum is σ = 12142189440. Its totient is φ = 11692478616.

The previous prime is 11917333993. The next prime is 11917334041. The reversal of 11917334027 is 72043371911.

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

It is a cyclic number.

It is not a de Polignac number, because 11917334027 - 2⁶ = 11917333963 is a prime.

It is a super-2 number, since 2×11917334027² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11917334047) 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, 112427627 + ... + 112427732.

It is an arithmetic number, because the mean of its divisors is an integer number (3035547360).

Almost surely, 2^11917334027 is an apocalyptic number.

11917334027 is a deficient number, since it is larger than the sum of its proper divisors (224855413).

11917334027 is an equidigital number, since it uses as much as digits as its factorization.

11917334027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224855412.

The product of its (nonzero) digits is 31752, while the sum is 38.

The spelling of 11917334027 in words is "eleven billion, nine hundred seventeen million, three hundred thirty-four thousand, twenty-seven".