25828252511 has 2 divisors, whose sum is σ = 25828252512. Its totient is φ = 25828252510.

The previous prime is 25828252493. The next prime is 25828252519. The reversal of 25828252511 is 11525282852.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25828252511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25828252519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12914126255 + 12914126256.

It is an arithmetic number, because the mean of its divisors is an integer number (12914126256).

Almost surely, 2^25828252511 is an apocalyptic number.

25828252511 is a deficient number, since it is larger than the sum of its proper divisors (1).

25828252511 is an equidigital number, since it uses as much as digits as its factorization.

25828252511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 128000, while the sum is 41.

The spelling of 25828252511 in words is "twenty-five billion, eight hundred twenty-eight million, two hundred fifty-two thousand, five hundred eleven".