11964242867 has 8 divisors (see below), whose sum is σ = 12628833360. Its totient is φ = 11334539376.

The previous prime is 11964242837. The next prime is 11964242887. The reversal of 11964242867 is 76824246911.

It is not a de Polignac number, because 11964242867 - 2¹⁰ = 11964241843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11964242837) 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, 865298 + ... + 879015.

It is an arithmetic number, because the mean of its divisors is an integer number (1578604170).

Almost surely, 2^11964242867 is an apocalyptic number.

11964242867 is a deficient number, since it is larger than the sum of its proper divisors (664590493).

11964242867 is an frugal number, since it uses more digits than its factorization.

11964242867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744370 (or 1744332 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 50.

The spelling of 11964242867 in words is "eleven billion, nine hundred sixty-four million, two hundred forty-two thousand, eight hundred sixty-seven".