25020372256465 has 32 divisors (see below), whose sum is σ = 31386737475072. Its totient is φ = 19129271616000.

The previous prime is 25020372256441. The next prime is 25020372256469. The reversal of 25020372256465 is 56465227302052.

It is not a de Polignac number, because 25020372256465 - 2²¹ = 25020370159313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25020372256469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5031060 + ... + 8680570.

It is an arithmetic number, because the mean of its divisors is an integer number (980835546096).

Almost surely, 2^{25020372256465} is an apocalyptic number.

It is an amenable number.

25020372256465 is a deficient number, since it is larger than the sum of its proper divisors (6366365218607).

25020372256465 is a wasteful number, since it uses less digits than its factorization.

25020372256465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650241.

The product of its (nonzero) digits is 6048000, while the sum is 49.

The spelling of 25020372256465 in words is "twenty-five trillion, twenty billion, three hundred seventy-two million, two hundred fifty-six thousand, four hundred sixty-five".