25122030005 has 16 divisors (see below), whose sum is σ = 30199478400. Its totient is φ = 20062303680.

The previous prime is 25122029987. The next prime is 25122030029. The reversal of 25122030005 is 50003022152.

It is not a de Polignac number, because 25122030005 - 2²⁰ = 25120981429 is a prime.

It is a super-2 number, since 2×25122030005² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13008890 + ... + 13010820.

It is an arithmetic number, because the mean of its divisors is an integer number (1887467400).

Almost surely, 2^25122030005 is an apocalyptic number.

It is an amenable number.

25122030005 is a deficient number, since it is larger than the sum of its proper divisors (5077448395).

25122030005 is a wasteful number, since it uses less digits than its factorization.

25122030005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5164.

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 25122030005 its reverse (50003022152), we get a palindrome (75125052157).

The spelling of 25122030005 in words is "twenty-five billion, one hundred twenty-two million, thirty thousand, five".