11309663963 has 8 divisors (see below), whose sum is σ = 12462886128. Its totient is φ = 10196905824.

The previous prime is 11309663929. The next prime is 11309663993. The reversal of 11309663963 is 36936690311.

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 11309663963 - 2¹⁶ = 11309598427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11309663993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10115420 + ... + 10116537.

It is an arithmetic number, because the mean of its divisors is an integer number (1557860766).

Almost surely, 2^11309663963 is an apocalyptic number.

11309663963 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11309663963 is a deficient number, since it is larger than the sum of its proper divisors (1153222165).

11309663963 is a wasteful number, since it uses less digits than its factorization.

11309663963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20232013.

The product of its (nonzero) digits is 472392, while the sum is 47.

The spelling of 11309663963 in words is "eleven billion, three hundred nine million, six hundred sixty-three thousand, nine hundred sixty-three".