12791030367025 has 27 divisors (see below), whose sum is σ = 15916305730689. Its totient is φ = 10197188496000.

The previous prime is 12791030367023. The next prime is 12791030367029. The reversal of 12791030367025 is 52076303019721.

The square root of 12791030367025 is 3576455.

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

It can be written as a sum of positive squares in 4 ways, for example, as 2367503649 + 12788662863376 = 48657^2 + 3576124^2 .

It is not a de Polignac number, because 12791030367025 - 2¹ = 12791030367023 is a prime.

It is a super-2 number, since 2×12791030367025² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12791030367023) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 5919031945 + ... + 5919034105.

Almost surely, 2^{12791030367025} is an apocalyptic number.

12791030367025 is the 3576455-th square number.

12791030367025 is the 1788228-th centered octagonal number.

It is an amenable number.

12791030367025 is a deficient number, since it is larger than the sum of its proper divisors (3125275363664).

12791030367025 is an frugal number, since it uses more digits than its factorization.

12791030367025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4994 (or 2497 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 46.

The spelling of 12791030367025 in words is "twelve trillion, seven hundred ninety-one billion, thirty million, three hundred sixty-seven thousand, twenty-five".