25752720427757 has 16 divisors (see below), whose sum is σ = 28644801024000. Its totient is φ = 23041161761904.

The previous prime is 25752720427747. The next prime is 25752720427769. The reversal of 25752720427757 is 75772402725752.

It is a cyclic number.

It is not a de Polignac number, because 25752720427757 - 2¹⁶ = 25752720362221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25752720427757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25752720427717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372944657 + ... + 373013702.

It is an arithmetic number, because the mean of its divisors is an integer number (1790300064000).

Almost surely, 2^{25752720427757} is an apocalyptic number.

It is an amenable number.

25752720427757 is a deficient number, since it is larger than the sum of its proper divisors (2892080596243).

25752720427757 is a wasteful number, since it uses less digits than its factorization.

25752720427757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745958480.

The product of its (nonzero) digits is 134456000, while the sum is 62.

The spelling of 25752720427757 in words is "twenty-five trillion, seven hundred fifty-two billion, seven hundred twenty million, four hundred twenty-seven thousand, seven hundred fifty-seven".