25151413530247 has 2 divisors, whose sum is σ = 25151413530248. Its totient is φ = 25151413530246.

The previous prime is 25151413530157. The next prime is 25151413530311. The reversal of 25151413530247 is 74203531415152.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25151413530247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25151413531247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12575706765123 + 12575706765124.

It is an arithmetic number, because the mean of its divisors is an integer number (12575706765124).

Almost surely, 2^{25151413530247} is an apocalyptic number.

25151413530247 is a deficient number, since it is larger than the sum of its proper divisors (1).

25151413530247 is an equidigital number, since it uses as much as digits as its factorization.

25151413530247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504000, while the sum is 43.

Adding to 25151413530247 its reverse (74203531415152), we get a palindrome (99354944945399).

The spelling of 25151413530247 in words is "twenty-five trillion, one hundred fifty-one billion, four hundred thirteen million, five hundred thirty thousand, two hundred forty-seven".