11721024338 has 8 divisors (see below), whose sum is σ = 17587073100. Its totient is φ = 5858666640.

The previous prime is 11721024331. The next prime is 11721024349. The reversal of 11721024338 is 83342012711.

It can be written as a sum of positive squares in 2 ways, for example, as 11563346089 + 157678249 = 107533^2 + 12557^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11721024331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 914813 + ... + 927536.

Almost surely, 2^11721024338 is an apocalyptic number.

11721024338 is a deficient number, since it is larger than the sum of its proper divisors (5866048762).

11721024338 is a wasteful number, since it uses less digits than its factorization.

11721024338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1845532.

The product of its (nonzero) digits is 8064, while the sum is 32.

The spelling of 11721024338 in words is "eleven billion, seven hundred twenty-one million, twenty-four thousand, three hundred thirty-eight".