11968948965574 has 16 divisors (see below), whose sum is σ = 18206789368320. Its totient is φ = 5900023813320.

The previous prime is 11968948965569. The next prime is 11968948965577. The reversal of 11968948965574 is 47556984986911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11968948965577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4105117 + ... + 6386695.

It is an arithmetic number, because the mean of its divisors is an integer number (1137924335520).

Almost surely, 2^{11968948965574} is an apocalyptic number.

11968948965574 is a deficient number, since it is larger than the sum of its proper divisors (6237840402746).

11968948965574 is a wasteful number, since it uses less digits than its factorization.

11968948965574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318595.

The product of its digits is 4702924800, while the sum is 82.

The spelling of 11968948965574 in words is "eleven trillion, nine hundred sixty-eight billion, nine hundred forty-eight million, nine hundred sixty-five thousand, five hundred seventy-four".