25511205020527 has 2 divisors, whose sum is σ = 25511205020528. Its totient is φ = 25511205020526.

The previous prime is 25511205020407. The next prime is 25511205020557. The reversal of 25511205020527 is 72502050211552.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25511205020527 - 2²⁷ = 25511070802799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25511205020557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12755602510263 + 12755602510264.

It is an arithmetic number, because the mean of its divisors is an integer number (12755602510264).

Almost surely, 2^{25511205020527} is an apocalyptic number.

25511205020527 is a deficient number, since it is larger than the sum of its proper divisors (1).

25511205020527 is an equidigital number, since it uses as much as digits as its factorization.

25511205020527 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70000, while the sum is 37.

The spelling of 25511205020527 in words is "twenty-five trillion, five hundred eleven billion, two hundred five million, twenty thousand, five hundred twenty-seven".