11634109 has 2 divisors, whose sum is σ = 11634110. Its totient is φ = 11634108.

The previous prime is 11634107. The next prime is 11634121. The reversal of 11634109 is 90143611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6017209 + 5616900 = 2453^2 + 2370^2 .

It is a cyclic number.

It is not a de Polignac number, because 11634109 - 2¹ = 11634107 is a prime.

Together with 11634107, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11634107) 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 as a sum of consecutive naturals, namely, 5817054 + 5817055.

It is an arithmetic number, because the mean of its divisors is an integer number (5817055).

Almost surely, 2^11634109 is an apocalyptic number.

It is an amenable number.

11634109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11634109 is an equidigital number, since it uses as much as digits as its factorization.

11634109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 11634109 is about 3410.8809712448. The cubic root of 11634109 is about 226.5918974363.

It can be divided in two parts, 116 and 34109, that added together give a square (34225 = 185²).

The spelling of 11634109 in words is "eleven million, six hundred thirty-four thousand, one hundred nine".