11689051 has 8 divisors (see below), whose sum is σ = 12870000. Its totient is φ = 10527840.

The previous prime is 11689049. The next prime is 11689063. The reversal of 11689051 is 15098611.

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 11689051 - 2¹ = 11689049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11689651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3676 + ... + 6073.

It is an arithmetic number, because the mean of its divisors is an integer number (1608750).

Almost surely, 2^11689051 is an apocalyptic number.

11689051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11689051 is a deficient number, since it is larger than the sum of its proper divisors (1180949).

11689051 is a wasteful number, since it uses less digits than its factorization.

11689051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9869.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 11689051 is about 3418.9254159750. The cubic root of 11689051 is about 226.9480303057.

The spelling of 11689051 in words is "eleven million, six hundred eighty-nine thousand, fifty-one".