11819934572 has 24 divisors (see below), whose sum is σ = 21370484352. Its totient is φ = 5714409600.

The previous prime is 11819934569. The next prime is 11819934617. The reversal of 11819934572 is 27543991811.

It is a self number, because there is not a number n which added to its sum of digits gives 11819934572.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106088 + ... + 186800.

It is an arithmetic number, because the mean of its divisors is an integer number (890436848).

Almost surely, 2^11819934572 is an apocalyptic number.

It is an amenable number.

11819934572 is a deficient number, since it is larger than the sum of its proper divisors (9550549780).

11819934572 is a wasteful number, since it uses less digits than its factorization.

11819934572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81929 (or 81927 counting only the distinct ones).

The product of its digits is 544320, while the sum is 50.

The spelling of 11819934572 in words is "eleven billion, eight hundred nineteen million, nine hundred thirty-four thousand, five hundred seventy-two".