11660613955 has 8 divisors (see below), whose sum is σ = 14136992352. Its totient is φ = 9232320768.

The previous prime is 11660613953. The next prime is 11660613983. The reversal of 11660613955 is 55931606611.

11660613955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11660613955 - 2¹ = 11660613953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11660613953) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12020767 + ... + 12021736.

It is an arithmetic number, because the mean of its divisors is an integer number (1767124044).

Almost surely, 2^11660613955 is an apocalyptic number.

11660613955 is a deficient number, since it is larger than the sum of its proper divisors (2476378397).

11660613955 is an equidigital number, since it uses as much as digits as its factorization.

11660613955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24042605.

The product of its (nonzero) digits is 145800, while the sum is 43.

The spelling of 11660613955 in words is "eleven billion, six hundred sixty million, six hundred thirteen thousand, nine hundred fifty-five".