25514441101 has 2 divisors, whose sum is σ = 25514441102. Its totient is φ = 25514441100.

The previous prime is 25514441047. The next prime is 25514441123. The reversal of 25514441101 is 10114441552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24773186025 + 741255076 = 157395^2 + 27226^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25514441101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25514441101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25514441201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12757220550 + 12757220551.

It is an arithmetic number, because the mean of its divisors is an integer number (12757220551).

Almost surely, 2^25514441101 is an apocalyptic number.

It is an amenable number.

25514441101 is a deficient number, since it is larger than the sum of its proper divisors (1).

25514441101 is an equidigital number, since it uses as much as digits as its factorization.

25514441101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 25514441101 its reverse (10114441552), we get a palindrome (35628882653).

The spelling of 25514441101 in words is "twenty-five billion, five hundred fourteen million, four hundred forty-one thousand, one hundred one".