11963389516 has 12 divisors (see below), whose sum is σ = 22546388032. Its totient is φ = 5521564368.

The previous prime is 11963389457. The next prime is 11963389567. The reversal of 11963389516 is 61598336911.

It is a Harshad number since it is a multiple of its sum of digits (52), and also a Moran number because the ratio is a prime number: 230065183 = 11963389516 / (1 + 1 + 9 + 6 + 3 + 3 + 8 + 9 + 5 + 1 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115032540 + ... + 115032643.

Almost surely, 2^11963389516 is an apocalyptic number.

It is an amenable number.

11963389516 is a deficient number, since it is larger than the sum of its proper divisors (10582998516).

11963389516 is a wasteful number, since it uses less digits than its factorization.

11963389516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230065200 (or 230065198 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 52.

The spelling of 11963389516 in words is "eleven billion, nine hundred sixty-three million, three hundred eighty-nine thousand, five hundred sixteen".