25020745359985 has 8 divisors (see below), whose sum is σ = 30663721973376. Its totient is φ = 19590711260400.

The previous prime is 25020745359983. The next prime is 25020745360007. The reversal of 25020745359985 is 58995354702052.

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

It is not a de Polignac number, because 25020745359985 - 2¹ = 25020745359983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25020745359983) 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, 53235628191 + ... + 53235628660.

It is an arithmetic number, because the mean of its divisors is an integer number (3832965246672).

Almost surely, 2^{25020745359985} is an apocalyptic number.

It is an amenable number.

25020745359985 is a deficient number, since it is larger than the sum of its proper divisors (5642976613391).

25020745359985 is a wasteful number, since it uses less digits than its factorization.

25020745359985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106471256903.

The product of its (nonzero) digits is 136080000, while the sum is 64.

The spelling of 25020745359985 in words is "twenty-five trillion, twenty billion, seven hundred forty-five million, three hundred fifty-nine thousand, nine hundred eighty-five".