11978932235 has 4 divisors (see below), whose sum is σ = 14374718688. Its totient is φ = 9583145784.

The previous prime is 11978932219. The next prime is 11978932247. The reversal of 11978932235 is 53223987911.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11978932235 - 2⁴ = 11978932219 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1197893219 + ... + 1197893228.

It is an arithmetic number, because the mean of its divisors is an integer number (3593679672).

Almost surely, 2^11978932235 is an apocalyptic number.

11978932235 is a deficient number, since it is larger than the sum of its proper divisors (2395786453).

11978932235 is an equidigital number, since it uses as much as digits as its factorization.

11978932235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395786452.

The product of its digits is 816480, while the sum is 50.

The spelling of 11978932235 in words is "eleven billion, nine hundred seventy-eight million, nine hundred thirty-two thousand, two hundred thirty-five".