14975824159321 has 3 divisors (see below), whose sum is σ = 14975828029183. Its totient is φ = 14975820289460.

The previous prime is 14975824159313. The next prime is 14975824159327. The reversal of 14975824159321 is 12395142857941.

The square root of 14975824159321 is 3869861.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 554817909321 + 14421006250000 = 744861^2 + 3797500^2 .

It is not a de Polignac number, because 14975824159321 - 2³ = 14975824159313 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14975824159321.

It is not an unprimeable number, because it can be changed into a prime (14975824159327) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1934931 + ... + 5804791.

Almost surely, 2^{14975824159321} is an apocalyptic number.

14975824159321 is the 3869861-st square number.

14975824159321 is the 1934931-st centered octagonal number.

It is an amenable number.

14975824159321 is a deficient number, since it is larger than the sum of its proper divisors (3869862).

14975824159321 is an frugal number, since it uses more digits than its factorization.

14975824159321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7739722 (or 3869861 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 61.

The spelling of 14975824159321 in words is "fourteen trillion, nine hundred seventy-five billion, eight hundred twenty-four million, one hundred fifty-nine thousand, three hundred twenty-one".