11724944945 has 16 divisors (see below), whose sum is σ = 16779052800. Its totient is φ = 7690398144.

The previous prime is 11724944929. The next prime is 11724944953. The reversal of 11724944945 is 54944942711.

It is a cyclic number.

It is not a de Polignac number, because 11724944945 - 2⁴ = 11724944929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11724944893 and 11724944902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7281770 + ... + 7283379.

It is an arithmetic number, because the mean of its divisors is an integer number (1048690800).

Almost surely, 2^11724944945 is an apocalyptic number.

It is an amenable number.

11724944945 is a deficient number, since it is larger than the sum of its proper divisors (5054107855).

11724944945 is a wasteful number, since it uses less digits than its factorization.

11724944945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14565184.

The product of its digits is 1451520, while the sum is 50.

The spelling of 11724944945 in words is "eleven billion, seven hundred twenty-four million, nine hundred forty-four thousand, nine hundred forty-five".