11664202505 has 8 divisors (see below), whose sum is σ = 14733729600. Its totient is φ = 8840237616.

The previous prime is 11664202499. The next prime is 11664202513. The reversal of 11664202505 is 50520246611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11664202505 - 2⁶ = 11664202441 is a prime.

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, 61390445 + ... + 61390634.

It is an arithmetic number, because the mean of its divisors is an integer number (1841716200).

Almost surely, 2^11664202505 is an apocalyptic number.

It is an amenable number.

11664202505 is a deficient number, since it is larger than the sum of its proper divisors (3069527095).

11664202505 is a wasteful number, since it uses less digits than its factorization.

11664202505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122781103.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 11664202505 in words is "eleven billion, six hundred sixty-four million, two hundred two thousand, five hundred five".