11663320335 has 32 divisors (see below), whose sum is σ = 19656341760. Its totient is φ = 5889189888.

The previous prime is 11663320321. The next prime is 11663320337. The reversal of 11663320335 is 53302336611.

It is a happy number.

It is not a de Polignac number, because 11663320335 - 2¹¹ = 11663318287 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11663320296 and 11663320305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11663320337) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 451119 + ... + 476271.

It is an arithmetic number, because the mean of its divisors is an integer number (614260680).

Almost surely, 2^11663320335 is an apocalyptic number.

11663320335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11663320335 is a deficient number, since it is larger than the sum of its proper divisors (7993021425).

11663320335 is a wasteful number, since it uses less digits than its factorization.

11663320335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26807.

The product of its (nonzero) digits is 29160, while the sum is 33.

Adding to 11663320335 its reverse (53302336611), we get a palindrome (64965656946).

The spelling of 11663320335 in words is "eleven billion, six hundred sixty-three million, three hundred twenty thousand, three hundred thirty-five".