11978932214 has 16 divisors (see below), whose sum is σ = 18005727168. Its totient is φ = 5977037832.

The previous prime is 11978932213. The next prime is 11978932219. The reversal of 11978932214 is 41223987911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11978932213) 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, 2324789 + ... + 2329935.

It is an arithmetic number, because the mean of its divisors is an integer number (1125357948).

Almost surely, 2^11978932214 is an apocalyptic number.

11978932214 is a deficient number, since it is larger than the sum of its proper divisors (6026794954).

11978932214 is a wasteful number, since it uses less digits than its factorization.

11978932214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7339.

The product of its digits is 217728, while the sum is 47.

The spelling of 11978932214 in words is "eleven billion, nine hundred seventy-eight million, nine hundred thirty-two thousand, two hundred fourteen".