15114810001729 has 3 divisors (see below), whose sum is σ = 15114813889507. Its totient is φ = 15114806113952.

The previous prime is 15114810001667. The next prime is 15114810001741. The reversal of 15114810001729 is 92710001841151.

The square root of 15114810001729 is 3887777.

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., 14947077161025 + 167732840704 = 3866145^2 + 409552^2 .

It is not a de Polignac number, because 15114810001729 - 2⁷ = 15114810001601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15114810001691 and 15114810001700.

It is not an unprimeable number, because it can be changed into a prime (15114810701729) 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, 1943889 + ... + 5831665.

Almost surely, 2^{15114810001729} is an apocalyptic number.

15114810001729 is the 3887777-th square number.

15114810001729 is the 1943889-th centered octagonal number.

It is an amenable number.

15114810001729 is a deficient number, since it is larger than the sum of its proper divisors (3887778).

15114810001729 is an frugal number, since it uses more digits than its factorization.

15114810001729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7775554 (or 3887777 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 40.

The spelling of 15114810001729 in words is "fifteen trillion, one hundred fourteen billion, eight hundred ten million, one thousand, seven hundred twenty-nine".