25527449611511 has 2 divisors, whose sum is σ = 25527449611512. Its totient is φ = 25527449611510.

The previous prime is 25527449611481. The next prime is 25527449611591. The reversal of 25527449611511 is 11511694472552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25527449611511 - 2²⁶ = 25527382502647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25527449611591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12763724805755 + 12763724805756.

It is an arithmetic number, because the mean of its divisors is an integer number (12763724805756).

Almost surely, 2^{25527449611511} is an apocalyptic number.

25527449611511 is a deficient number, since it is larger than the sum of its proper divisors (1).

25527449611511 is an equidigital number, since it uses as much as digits as its factorization.

25527449611511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024000, while the sum is 53.

The spelling of 25527449611511 in words is "twenty-five trillion, five hundred twenty-seven billion, four hundred forty-nine million, six hundred eleven thousand, five hundred eleven".