11689055 has 8 divisors (see below), whose sum is σ = 16030752. Its totient is φ = 8015328.

The previous prime is 11689049. The next prime is 11689063. The reversal of 11689055 is 55098611.

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 11689055 - 2⁴ = 11689039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 333973 = 11689055 / (1 + 1 + 6 + 8 + 9 + 0 + 5 + 5).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166952 + ... + 167021.

It is an arithmetic number, because the mean of its divisors is an integer number (2003844).

Almost surely, 2^11689055 is an apocalyptic number.

11689055 is a deficient number, since it is larger than the sum of its proper divisors (4341697).

11689055 is an equidigital number, since it uses as much as digits as its factorization.

11689055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333985.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 11689055 is about 3418.9260009541. The cubic root of 11689055 is about 226.9480561929.

The spelling of 11689055 in words is "eleven million, six hundred eighty-nine thousand, fifty-five".