11691480214 has 16 divisors (see below), whose sum is σ = 18011911680. Its totient is φ = 5688255040.

The previous prime is 11691480209. The next prime is 11691480247. The reversal of 11691480214 is 41208419611.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154729 + ... + 217540.

It is an arithmetic number, because the mean of its divisors is an integer number (1125744480).

Almost surely, 2^11691480214 is an apocalyptic number.

11691480214 is a deficient number, since it is larger than the sum of its proper divisors (6320431466).

11691480214 is a wasteful number, since it uses less digits than its factorization.

11691480214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372695.

The product of its (nonzero) digits is 13824, while the sum is 37.

Adding to 11691480214 its reverse (41208419611), we get a palindrome (52899899825).

The spelling of 11691480214 in words is "eleven billion, six hundred ninety-one million, four hundred eighty thousand, two hundred fourteen".