11439928574 has 32 divisors (see below), whose sum is σ = 17842470912. Its totient is φ = 5495256000.

The previous prime is 11439928571. The next prime is 11439928579. The reversal of 11439928574 is 47582993411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11439928571) 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 15 ways as a sum of consecutive naturals, for example, 11095439 + ... + 11096469.

It is an arithmetic number, because the mean of its divisors is an integer number (557577216).

Almost surely, 2^11439928574 is an apocalyptic number.

11439928574 is a deficient number, since it is larger than the sum of its proper divisors (6402542338).

11439928574 is a wasteful number, since it uses less digits than its factorization.

11439928574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192.

The product of its digits is 2177280, while the sum is 53.

The spelling of 11439928574 in words is "eleven billion, four hundred thirty-nine million, nine hundred twenty-eight thousand, five hundred seventy-four".