25300011535013 has 4 divisors (see below), whose sum is σ = 25550506698828. Its totient is φ = 25049516371200.

The previous prime is 25300011534991. The next prime is 25300011535061. The reversal of 25300011535013 is 31053511000352.

It is a happy number.

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 24726730869604 + 573280665409 = 4972598^2 + 757153^2 .

It is a cyclic number.

It is not a de Polignac number, because 25300011535013 - 2¹⁴ = 25300011518629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25300011535913) 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, 125247581756 + ... + 125247581957.

It is an arithmetic number, because the mean of its divisors is an integer number (6387626674707).

Almost surely, 2^{25300011535013} is an apocalyptic number.

It is an amenable number.

25300011535013 is a deficient number, since it is larger than the sum of its proper divisors (250495163815).

25300011535013 is a wasteful number, since it uses less digits than its factorization.

25300011535013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250495163814.

The product of its (nonzero) digits is 6750, while the sum is 29.

Adding to 25300011535013 its reverse (31053511000352), we get a palindrome (56353522535365).

The spelling of 25300011535013 in words is "twenty-five trillion, three hundred billion, eleven million, five hundred thirty-five thousand, thirteen".