25455540011087 has 2 divisors, whose sum is σ = 25455540011088. Its totient is φ = 25455540011086.

The previous prime is 25455540011063. The next prime is 25455540011141. The reversal of 25455540011087 is 78011004555452.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25455540011087 - 2²⁸ = 25455271575631 is a prime.

It is a super-2 number, since 2×25455540011087² (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 (25455540019087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12727770005543 + 12727770005544.

It is an arithmetic number, because the mean of its divisors is an integer number (12727770005544).

Almost surely, 2^{25455540011087} is an apocalyptic number.

25455540011087 is a deficient number, since it is larger than the sum of its proper divisors (1).

25455540011087 is an equidigital number, since it uses as much as digits as its factorization.

25455540011087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120000, while the sum is 47.

The spelling of 25455540011087 in words is "twenty-five trillion, four hundred fifty-five billion, five hundred forty million, eleven thousand, eighty-seven".