11976280492 has 24 divisors (see below), whose sum is σ = 22888288080. Its totient is φ = 5437935360.

The previous prime is 11976280489. The next prime is 11976280517. The reversal of 11976280492 is 29408267911.

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, 104017 + ... + 186472.

It is an arithmetic number, because the mean of its divisors is an integer number (953678670).

Almost surely, 2^11976280492 is an apocalyptic number.

It is an amenable number.

11976280492 is a deficient number, since it is larger than the sum of its proper divisors (10912007588).

11976280492 is a wasteful number, since it uses less digits than its factorization.

11976280492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291441 (or 291439 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 49.

The spelling of 11976280492 in words is "eleven billion, nine hundred seventy-six million, two hundred eighty thousand, four hundred ninety-two".