26121041025 has 36 divisors (see below), whose sum is σ = 45876660432. Its totient is φ = 13111727360.

The previous prime is 26121041017. The next prime is 26121041039. The reversal of 26121041025 is 52014012162.

It is not a de Polignac number, because 26121041025 - 2³ = 26121041017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26121040986 and 26121041004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 580887 + ... + 624236.

Almost surely, 2^26121041025 is an apocalyptic number.

26121041025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26121041025 is a deficient number, since it is larger than the sum of its proper divisors (19755619407).

26121041025 is a wasteful number, since it uses less digits than its factorization.

26121041025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1205170 (or 1205148 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 26121041025 its reverse (52014012162), we get a palindrome (78135053187).

The spelling of 26121041025 in words is "twenty-six billion, one hundred twenty-one million, forty-one thousand, twenty-five".