25800079300145 has 4 divisors (see below), whose sum is σ = 30960095160180. Its totient is φ = 20640063440112.

The previous prime is 25800079300097. The next prime is 25800079300147. The reversal of 25800079300145 is 54100397000852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19141290005776 + 6658789294369 = 4375076^2 + 2580463^2 .

It is a cyclic number.

It is not a de Polignac number, because 25800079300145 - 2⁸ = 25800079299889 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25800079300096 and 25800079300105.

It is not an unprimeable number, because it can be changed into a prime (25800079300147) 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, 2580007930010 + ... + 2580007930019.

It is an arithmetic number, because the mean of its divisors is an integer number (7740023790045).

Almost surely, 2^{25800079300145} is an apocalyptic number.

It is an amenable number.

25800079300145 is a deficient number, since it is larger than the sum of its proper divisors (5160015860035).

25800079300145 is an equidigital number, since it uses as much as digits as its factorization.

25800079300145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5160015860034.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 25800079300145 in words is "twenty-five trillion, eight hundred billion, seventy-nine million, three hundred thousand, one hundred forty-five".