26020145225 has 12 divisors (see below), whose sum is σ = 32276513040. Its totient is φ = 20808675600.

The previous prime is 26020145201. The next prime is 26020145227. The reversal of 26020145225 is 52254102062.

It is not a de Polignac number, because 26020145225 - 2¹⁸ = 26019883081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26020145227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 114131 + ... + 255080.

It is an arithmetic number, because the mean of its divisors is an integer number (2689709420).

Almost surely, 2^26020145225 is an apocalyptic number.

26020145225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26020145225 is a deficient number, since it is larger than the sum of its proper divisors (6256367815).

26020145225 is a wasteful number, since it uses less digits than its factorization.

26020145225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372040 (or 372035 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 26020145225 its reverse (52254102062), we get a palindrome (78274247287).

The spelling of 26020145225 in words is "twenty-six billion, twenty million, one hundred forty-five thousand, two hundred twenty-five".