11651369 has 2 divisors, whose sum is σ = 11651370. Its totient is φ = 11651368.

The previous prime is 11651357. The next prime is 11651371. The reversal of 11651369 is 96315611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5953600 + 5697769 = 2440^2 + 2387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11651369 is a prime.

It is a super-2 number, since 2×11651369² = 271508799148322, which contains 22 as substring.

Together with 11651371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11651309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5825684 + 5825685.

It is an arithmetic number, because the mean of its divisors is an integer number (5825685).

Almost surely, 2^11651369 is an apocalyptic number.

It is an amenable number.

11651369 is a deficient number, since it is larger than the sum of its proper divisors (1).

11651369 is an equidigital number, since it uses as much as digits as its factorization.

11651369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 32.

The square root of 11651369 is about 3413.4101716612. The cubic root of 11651369 is about 226.7038969507.

The spelling of 11651369 in words is "eleven million, six hundred fifty-one thousand, three hundred sixty-nine".