11660317415 has 4 divisors (see below), whose sum is σ = 13992380904. Its totient is φ = 9328253928.

The previous prime is 11660317379. The next prime is 11660317451. The reversal of 11660317415 is 51471306611.

11660317415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51471306611 = 50707 ⋅1015073.

It is an interprime number because it is at equal distance from previous prime (11660317379) and next prime (11660317451).

It is a cyclic number.

It is not a de Polignac number, because 11660317415 - 2⁶ = 11660317351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1166031737 + ... + 1166031746.

It is an arithmetic number, because the mean of its divisors is an integer number (3498095226).

Almost surely, 2^11660317415 is an apocalyptic number.

11660317415 is a deficient number, since it is larger than the sum of its proper divisors (2332063489).

11660317415 is an equidigital number, since it uses as much as digits as its factorization.

11660317415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2332063488.

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 11660317415 in words is "eleven billion, six hundred sixty million, three hundred seventeen thousand, four hundred fifteen".