11985145276 has 24 divisors (see below), whose sum is σ = 22592904320. Its totient is φ = 5530254912.

The previous prime is 11985145241. The next prime is 11985145283. The reversal of 11985145276 is 67254158911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205330 + ... + 257158.

Almost surely, 2^11985145276 is an apocalyptic number.

It is an amenable number.

11985145276 is a deficient number, since it is larger than the sum of its proper divisors (10607759044).

11985145276 is a wasteful number, since it uses less digits than its factorization.

11985145276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56293 (or 56291 counting only the distinct ones).

The product of its digits is 604800, while the sum is 49.

The spelling of 11985145276 in words is "eleven billion, nine hundred eighty-five million, one hundred forty-five thousand, two hundred seventy-six".