25065772770553 has 2 divisors, whose sum is σ = 25065772770554. Its totient is φ = 25065772770552.

The previous prime is 25065772770517. The next prime is 25065772770641. The reversal of 25065772770553 is 35507727756052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19800826835344 + 5264945935209 = 4449812^2 + 2294547^2 .

It is a cyclic number.

It is not a de Polignac number, because 25065772770553 - 2⁹ = 25065772770041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25065772770491 and 25065772770500.

It is not a weakly prime, because it can be changed into another prime (25065772770503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12532886385276 + 12532886385277.

It is an arithmetic number, because the mean of its divisors is an integer number (12532886385277).

Almost surely, 2^{25065772770553} is an apocalyptic number.

It is an amenable number.

25065772770553 is a deficient number, since it is larger than the sum of its proper divisors (1).

25065772770553 is an equidigital number, since it uses as much as digits as its factorization.

25065772770553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108045000, while the sum is 61.

The spelling of 25065772770553 in words is "twenty-five trillion, sixty-five billion, seven hundred seventy-two million, seven hundred seventy thousand, five hundred fifty-three".