25122030026 has 16 divisors (see below), whose sum is σ = 37941446088. Its totient is φ = 12475065600.

The previous prime is 25122029987. The next prime is 25122030029. The reversal of 25122030026 is 62003022152.

It can be written as a sum of positive squares in 4 ways, for example, as 8145243001 + 16976787025 = 90251^2 + 130295^2 .

It is a super-2 number, since 2×25122030026² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25122029983 and 25122030010.

It is not an unprimeable number, because it can be changed into a prime (25122030029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229886 + ... + 321078.

Almost surely, 2^25122030026 is an apocalyptic number.

25122030026 is a deficient number, since it is larger than the sum of its proper divisors (12819416062).

25122030026 is a wasteful number, since it uses less digits than its factorization.

25122030026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92137.

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 25122030026 its reverse (62003022152), we get a palindrome (87125052178).

The spelling of 25122030026 in words is "twenty-five billion, one hundred twenty-two million, thirty thousand, twenty-six".