11966712975 has 288 divisors, whose sum is σ = 26653710720. Its totient is φ = 5016453120.

The previous prime is 11966712959. The next prime is 11966712991. The reversal of 11966712975 is 57921766911.

It is an interprime number because it is at equal distance from previous prime (11966712959) and next prime (11966712991).

It is not a de Polignac number, because 11966712975 - 2⁴ = 11966712959 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 123368127 + ... + 123368223.

Almost surely, 2^11966712975 is an apocalyptic number.

11966712975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11966712975 is an abundant number, since it is smaller than the sum of its proper divisors (14686997745).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11966712975 is a wasteful number, since it uses less digits than its factorization.

11966712975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 251 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 54.

The spelling of 11966712975 in words is "eleven billion, nine hundred sixty-six million, seven hundred twelve thousand, nine hundred seventy-five".