25005277525511 has 2 divisors, whose sum is σ = 25005277525512. Its totient is φ = 25005277525510.

The previous prime is 25005277525469. The next prime is 25005277525519. The reversal of 25005277525511 is 11552577250052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25005277525511 is a prime.

It is a super-2 number, since 2×25005277525511² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25005277525519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12502638762755 + 12502638762756.

It is an arithmetic number, because the mean of its divisors is an integer number (12502638762756).

Almost surely, 2^{25005277525511} is an apocalyptic number.

25005277525511 is a deficient number, since it is larger than the sum of its proper divisors (1).

25005277525511 is an equidigital number, since it uses as much as digits as its factorization.

25005277525511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1225000, while the sum is 47.

The spelling of 25005277525511 in words is "twenty-five trillion, five billion, two hundred seventy-seven million, five hundred twenty-five thousand, five hundred eleven".