25151542732787 has 2 divisors, whose sum is σ = 25151542732788. Its totient is φ = 25151542732786.

The previous prime is 25151542732721. The next prime is 25151542732891. The reversal of 25151542732787 is 78723724515152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25151542732787 - 2¹⁴ = 25151542716403 is a prime.

It is not a weakly prime, because it can be changed into another prime (25151542732087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12575771366393 + 12575771366394.

It is an arithmetic number, because the mean of its divisors is an integer number (12575771366394).

Almost surely, 2^{25151542732787} is an apocalyptic number.

25151542732787 is a deficient number, since it is larger than the sum of its proper divisors (1).

25151542732787 is an equidigital number, since it uses as much as digits as its factorization.

25151542732787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32928000, while the sum is 59.

The spelling of 25151542732787 in words is "twenty-five trillion, one hundred fifty-one billion, five hundred forty-two million, seven hundred thirty-two thousand, seven hundred eighty-seven".