25018714988061 has 4 divisors (see below), whose sum is σ = 33358286650752. Its totient is φ = 16679143325372.

The previous prime is 25018714988053. The next prime is 25018714988119. The reversal of 25018714988061 is 16088941781052.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25018714988061 - 2³ = 25018714988053 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25018714987986 and 25018714988004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25018714988011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4169785831341 + ... + 4169785831346.

It is an arithmetic number, because the mean of its divisors is an integer number (8339571662688).

Almost surely, 2^{25018714988061} is an apocalyptic number.

It is an amenable number.

25018714988061 is a deficient number, since it is larger than the sum of its proper divisors (8339571662691).

25018714988061 is an equidigital number, since it uses as much as digits as its factorization.

25018714988061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8339571662690.

The product of its (nonzero) digits is 7741440, while the sum is 60.

The spelling of 25018714988061 in words is "twenty-five trillion, eighteen billion, seven hundred fourteen million, nine hundred eighty-eight thousand, sixty-one".