11951946546 has 8 divisors (see below), whose sum is σ = 23903893104. Its totient is φ = 3983982180.

The previous prime is 11951946521. The next prime is 11951946551. The reversal of 11951946546 is 64564915911.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

11951946546 is an admirable 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, 995995540 + ... + 995995551.

It is an arithmetic number, because the mean of its divisors is an integer number (2987986638).

Almost surely, 2^11951946546 is an apocalyptic number.

11951946546 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11951946546 is a wasteful number, since it uses less digits than its factorization.

11951946546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991991096.

The product of its digits is 1166400, while the sum is 51.

The spelling of 11951946546 in words is "eleven billion, nine hundred fifty-one million, nine hundred forty-six thousand, five hundred forty-six".