11663123675 has 12 divisors (see below), whose sum is σ = 16528312656. Its totient is φ = 7997570400.

The previous prime is 11663123651. The next prime is 11663123711. The reversal of 11663123675 is 57632136611.

It is not a de Polignac number, because 11663123675 - 2⁶ = 11663123611 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 33323036 + ... + 33323385.

It is an arithmetic number, because the mean of its divisors is an integer number (1377359388).

Almost surely, 2^11663123675 is an apocalyptic number.

11663123675 is a deficient number, since it is larger than the sum of its proper divisors (4865188981).

11663123675 is an equidigital number, since it uses as much as digits as its factorization.

11663123675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66646438 (or 66646433 counting only the distinct ones).

The product of its digits is 136080, while the sum is 41.

The spelling of 11663123675 in words is "eleven billion, six hundred sixty-three million, one hundred twenty-three thousand, six hundred seventy-five".