11946529312 has 24 divisors (see below), whose sum is σ = 23762207196. Its totient is φ = 5911683072.

The previous prime is 11946529297. The next prime is 11946529313. The reversal of 11946529312 is 21392564911.

It can be written as a sum of positive squares in 2 ways, for example, as 11570014096 + 376515216 = 107564^2 + 19404^2 .

It is not an unprimeable number, because it can be changed into a prime (11946529313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1921273 + ... + 1927480.

Almost surely, 2^11946529312 is an apocalyptic number.

It is an amenable number.

11946529312 is a deficient number, since it is larger than the sum of its proper divisors (11815677884).

11946529312 is an equidigital number, since it uses as much as digits as its factorization.

11946529312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848860 (or 3848852 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The spelling of 11946529312 in words is "eleven billion, nine hundred forty-six million, five hundred twenty-nine thousand, three hundred twelve".