25511000941 has 2 divisors, whose sum is σ = 25511000942. Its totient is φ = 25511000940.

The previous prime is 25511000939. The next prime is 25511000947. The reversal of 25511000941 is 14900011552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24326952841 + 1184048100 = 155971^2 + 34410^2 .

It is a cyclic number.

It is not a de Polignac number, because 25511000941 - 2¹ = 25511000939 is a prime.

It is a super-2 number, since 2×25511000941² (a number of 22 digits) contains 22 as substring.

Together with 25511000939, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25511000947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12755500470 + 12755500471.

It is an arithmetic number, because the mean of its divisors is an integer number (12755500471).

Almost surely, 2^25511000941 is an apocalyptic number.

It is an amenable number.

25511000941 is a deficient number, since it is larger than the sum of its proper divisors (1).

25511000941 is an equidigital number, since it uses as much as digits as its factorization.

25511000941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 28.

The spelling of 25511000941 in words is "twenty-five billion, five hundred eleven million, nine hundred forty-one", and thus it is an aban number.