26434120225 has 24 divisors (see below), whose sum is σ = 34375478400. Its totient is φ = 20126113920.

The previous prime is 26434120211. The next prime is 26434120241. The reversal of 26434120225 is 52202143462.

It is not a de Polignac number, because 26434120225 - 2³³ = 17844185633 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1084 + ... + 229933.

It is an arithmetic number, because the mean of its divisors is an integer number (1432311600).

Almost surely, 2^26434120225 is an apocalyptic number.

26434120225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26434120225 is a deficient number, since it is larger than the sum of its proper divisors (7941358175).

26434120225 is a wasteful number, since it uses less digits than its factorization.

26434120225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231249 (or 231244 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 26434120225 its reverse (52202143462), we get a palindrome (78636263687).

The spelling of 26434120225 in words is "twenty-six billion, four hundred thirty-four million, one hundred twenty thousand, two hundred twenty-five".