25820377153 has 2 divisors, whose sum is σ = 25820377154. Its totient is φ = 25820377152.

The previous prime is 25820377127. The next prime is 25820377159. The reversal of 25820377153 is 35177302852.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23552427024 + 2267950129 = 153468^2 + 47623^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25820377153 is a prime.

It is not a weakly prime, because it can be changed into another prime (25820377159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12910188576 + 12910188577.

It is an arithmetic number, because the mean of its divisors is an integer number (12910188577).

Almost surely, 2^25820377153 is an apocalyptic number.

It is an amenable number.

25820377153 is a deficient number, since it is larger than the sum of its proper divisors (1).

25820377153 is an equidigital number, since it uses as much as digits as its factorization.

25820377153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 25820377153 in words is "twenty-five billion, eight hundred twenty million, three hundred seventy-seven thousand, one hundred fifty-three".