25052140117 has 8 divisors (see below), whose sum is σ = 27026283096. Its totient is φ = 23133606912.

The previous prime is 25052140111. The next prime is 25052140121. The reversal of 25052140117 is 71104125052.

It can be written as a sum of positive squares in 4 ways, for example, as 13223620036 + 11828520081 = 114994^2 + 108759^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25052140117 - 2⁷ = 25052139989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25052140111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13901508 + ... + 13903309.

It is an arithmetic number, because the mean of its divisors is an integer number (3378285387).

Almost surely, 2^25052140117 is an apocalyptic number.

It is an amenable number.

25052140117 is a deficient number, since it is larger than the sum of its proper divisors (1974142979).

25052140117 is a wasteful number, since it uses less digits than its factorization.

25052140117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27804887.

The product of its (nonzero) digits is 2800, while the sum is 28.

Adding to 25052140117 its reverse (71104125052), we get a palindrome (96156265169).

The spelling of 25052140117 in words is "twenty-five billion, fifty-two million, one hundred forty thousand, one hundred seventeen".