11996685475 has 12 divisors (see below), whose sum is σ = 15119758960. Its totient is φ = 9440013600.

The previous prime is 11996685473. The next prime is 11996685499. The reversal of 11996685475 is 57458669911.

11996685475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11996685475 - 2¹ = 11996685473 is a prime.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is not an unprimeable number, because it can be changed into a prime (11996685473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3931815 + ... + 3934864.

Almost surely, 2^11996685475 is an apocalyptic number.

11996685475 is a deficient number, since it is larger than the sum of its proper divisors (3123073485).

11996685475 is an equidigital number, since it uses as much as digits as its factorization.

11996685475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7866750 (or 7866745 counting only the distinct ones).

The product of its digits is 16329600, while the sum is 61.

The spelling of 11996685475 in words is "eleven billion, nine hundred ninety-six million, six hundred eighty-five thousand, four hundred seventy-five".