11968876505 has 8 divisors (see below), whose sum is σ = 14987115072. Its totient is φ = 9158792368.

The previous prime is 11968876501. The next prime is 11968876519. The reversal of 11968876505 is 50567886911.

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 11968876505 - 2² = 11968876501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11968876501) by changing a digit.

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, 52038479 + ... + 52038708.

It is an arithmetic number, because the mean of its divisors is an integer number (1873389384).

Almost surely, 2^11968876505 is an apocalyptic number.

It is an amenable number.

11968876505 is a deficient number, since it is larger than the sum of its proper divisors (3018238567).

11968876505 is a wasteful number, since it uses less digits than its factorization.

11968876505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104077215.

The product of its (nonzero) digits is 3628800, while the sum is 56.

The spelling of 11968876505 in words is "eleven billion, nine hundred sixty-eight million, eight hundred seventy-six thousand, five hundred five".