25300050305505 has 16 divisors (see below), whose sum is σ = 42861261694464. Its totient is φ = 12699633094400.

The previous prime is 25300050305503. The next prime is 25300050305549. The reversal of 25300050305505 is 50550305000352.

It is not a de Polignac number, because 25300050305505 - 2¹ = 25300050305503 is a prime.

It is a super-2 number, since 2×25300050305505² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25300050305503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49607941521 + ... + 49607942030.

It is an arithmetic number, because the mean of its divisors is an integer number (2678828855904).

Almost surely, 2^{25300050305505} is an apocalyptic number.

It is an amenable number.

25300050305505 is a deficient number, since it is larger than the sum of its proper divisors (17561211388959).

25300050305505 is a wasteful number, since it uses less digits than its factorization.

25300050305505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99215883576.

The product of its (nonzero) digits is 56250, while the sum is 33.

Adding to 25300050305505 its reverse (50550305000352), we get a palindrome (75850355305857).

The spelling of 25300050305505 in words is "twenty-five trillion, three hundred billion, fifty million, three hundred five thousand, five hundred five".