25280757557753 has 2 divisors, whose sum is σ = 25280757557754. Its totient is φ = 25280757557752.

The previous prime is 25280757557677. The next prime is 25280757557789. The reversal of 25280757557753 is 35775575708252.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24087708173929 + 1193049383824 = 4907923^2 + 1092268^2 .

It is a cyclic number.

It is not a de Polignac number, because 25280757557753 - 2¹⁰ = 25280757556729 is a prime.

It is not a weakly prime, because it can be changed into another prime (25280757577753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12640378778876 + 12640378778877.

It is an arithmetic number, because the mean of its divisors is an integer number (12640378778877).

Almost surely, 2^{25280757557753} is an apocalyptic number.

It is an amenable number.

25280757557753 is a deficient number, since it is larger than the sum of its proper divisors (1).

25280757557753 is an equidigital number, since it uses as much as digits as its factorization.

25280757557753 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720300000, while the sum is 68.

The spelling of 25280757557753 in words is "twenty-five trillion, two hundred eighty billion, seven hundred fifty-seven million, five hundred fifty-seven thousand, seven hundred fifty-three".