11689333427 has 8 divisors (see below), whose sum is σ = 12126680640. Its totient is φ = 11254270720.

The previous prime is 11689333423. The next prime is 11689333459. The reversal of 11689333427 is 72433398611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11689333427 - 2² = 11689333423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11689333423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560699 + ... + 581172.

It is an arithmetic number, because the mean of its divisors is an integer number (1515835080).

Almost surely, 2^11689333427 is an apocalyptic number.

11689333427 is a deficient number, since it is larger than the sum of its proper divisors (437347213).

11689333427 is a wasteful number, since it uses less digits than its factorization.

11689333427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142253.

The product of its digits is 653184, while the sum is 47.

The spelling of 11689333427 in words is "eleven billion, six hundred eighty-nine million, three hundred thirty-three thousand, four hundred twenty-seven".