2525780557799 has 2 divisors, whose sum is σ = 2525780557800. Its totient is φ = 2525780557798.

The previous prime is 2525780557771. The next prime is 2525780557801. The reversal of 2525780557799 is 9977550875252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2525780557799 - 2⁸ = 2525780557543 is a prime.

Together with 2525780557801, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2525780557709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262890278899 + 1262890278900.

It is an arithmetic number, because the mean of its divisors is an integer number (1262890278900).

Almost surely, 2^{2525780557799} is an apocalyptic number.

2525780557799 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525780557799 is an equidigital number, since it uses as much as digits as its factorization.

2525780557799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 555660000, while the sum is 71.

The spelling of 2525780557799 in words is "two trillion, five hundred twenty-five billion, seven hundred eighty million, five hundred fifty-seven thousand, seven hundred ninety-nine".