25554155141 has 2 divisors, whose sum is σ = 25554155142. Its totient is φ = 25554155140.

The previous prime is 25554155119. The next prime is 25554155161. The reversal of 25554155141 is 14155145552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22737624100 + 2816531041 = 150790^2 + 53071^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25554155141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25554155095 and 25554155104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25554155161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12777077570 + 12777077571.

It is an arithmetic number, because the mean of its divisors is an integer number (12777077571).

Almost surely, 2^25554155141 is an apocalyptic number.

It is an amenable number.

25554155141 is a deficient number, since it is larger than the sum of its proper divisors (1).

25554155141 is an equidigital number, since it uses as much as digits as its factorization.

25554155141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100000, while the sum is 38.

The spelling of 25554155141 in words is "twenty-five billion, five hundred fifty-four million, one hundred fifty-five thousand, one hundred forty-one".