11952947211 has 16 divisors (see below), whose sum is σ = 16641196800. Its totient is φ = 7617123360.

The previous prime is 11952947207. The next prime is 11952947243. The reversal of 11952947211 is 11274925911.

It is not a de Polignac number, because 11952947211 - 2² = 11952947207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11952947261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49065 + ... + 162213.

It is an arithmetic number, because the mean of its divisors is an integer number (1040074800).

Almost surely, 2^11952947211 is an apocalyptic number.

11952947211 is a deficient number, since it is larger than the sum of its proper divisors (4688249589).

11952947211 is a wasteful number, since it uses less digits than its factorization.

11952947211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114706.

The product of its digits is 45360, while the sum is 42.

The spelling of 11952947211 in words is "eleven billion, nine hundred fifty-two million, nine hundred forty-seven thousand, two hundred eleven".