26021126925 has 36 divisors (see below), whose sum is σ = 49348309140. Its totient is φ = 13061583360.

The previous prime is 26021126869. The next prime is 26021126939. The reversal of 26021126925 is 52962112062.

26021126925 is a `hidden beast` number, since 2 + 602 + 1 + 1 + 26 + 9 + 25 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 871607529 + 25149519396 = 29523^2 + 158586^2 .

It is not a de Polignac number, because 26021126925 - 2⁶ = 26021126861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26021126925.

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 35 ways as a sum of consecutive naturals, for example, 3397630 + ... + 3405279.

It is an arithmetic number, because the mean of its divisors is an integer number (1370786365).

Almost surely, 2^26021126925 is an apocalyptic number.

26021126925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26021126925 is a deficient number, since it is larger than the sum of its proper divisors (23327182215).

26021126925 is a wasteful number, since it uses less digits than its factorization.

26021126925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6802942 (or 6802934 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

Adding to 26021126925 its reverse (52962112062), we get a palindrome (78983238987).

The spelling of 26021126925 in words is "twenty-six billion, twenty-one million, one hundred twenty-six thousand, nine hundred twenty-five".