11971932764 has 24 divisors (see below), whose sum is σ = 22858648176. Its totient is φ = 5441040000.

The previous prime is 11971932701. The next prime is 11971932769. The reversal of 11971932764 is 46723917911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11971932769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421904 + ... + 449384.

It is an arithmetic number, because the mean of its divisors is an integer number (952443674).

Almost surely, 2^11971932764 is an apocalyptic number.

It is an amenable number.

11971932764 is a deficient number, since it is larger than the sum of its proper divisors (10886715412).

11971932764 is a wasteful number, since it uses less digits than its factorization.

11971932764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37397 (or 37395 counting only the distinct ones).

The product of its digits is 571536, while the sum is 50.

The spelling of 11971932764 in words is "eleven billion, nine hundred seventy-one million, nine hundred thirty-two thousand, seven hundred sixty-four".