25122214544503 has 16 divisors (see below), whose sum is σ = 25832594862720. Its totient is φ = 24422811285600.

The previous prime is 25122214544467. The next prime is 25122214544509. The reversal of 25122214544503 is 30544541222152.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25122214544503 is a prime.

It is a super-2 number, since 2×25122214544503² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25122214544509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4472293 + ... + 8381278.

It is an arithmetic number, because the mean of its divisors is an integer number (1614537178920).

Almost surely, 2^{25122214544503} is an apocalyptic number.

25122214544503 is a deficient number, since it is larger than the sum of its proper divisors (710380318217).

25122214544503 is a wasteful number, since it uses less digits than its factorization.

25122214544503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12853998.

The product of its (nonzero) digits is 384000, while the sum is 40.

Adding to 25122214544503 its reverse (30544541222152), we get a palindrome (55666755766655).

The spelling of 25122214544503 in words is "twenty-five trillion, one hundred twenty-two billion, two hundred fourteen million, five hundred forty-four thousand, five hundred three".