15752007049 has 3 divisors (see below), whose sum is σ = 15752132557. Its totient is φ = 15751881542.

The previous prime is 15752007041. The next prime is 15752007071. The reversal of 15752007049 is 94070025751.

The square root of 15752007049 is 125507.

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

15752007049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 is not a de Polignac number, because 15752007049 - 2³ = 15752007041 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15752007041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 62754 + ... + 188260.

Almost surely, 2^15752007049 is an apocalyptic number.

15752007049 is the 125507-th square number.

15752007049 is the 62754-th centered octagonal number.

It is an amenable number.

15752007049 is a deficient number, since it is larger than the sum of its proper divisors (125508).

15752007049 is an frugal number, since it uses more digits than its factorization.

15752007049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251014 (or 125507 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 40.

The spelling of 15752007049 in words is "fifteen billion, seven hundred fifty-two million, seven thousand, forty-nine".