26125045289 has 4 divisors (see below), whose sum is σ = 29857194624. Its totient is φ = 22392895956.

The previous prime is 26125045279. The next prime is 26125045319. The reversal of 26125045289 is 98254052162.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26125045289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26125045279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1866074657 + ... + 1866074670.

It is an arithmetic number, because the mean of its divisors is an integer number (7464298656).

Almost surely, 2^26125045289 is an apocalyptic number.

It is an amenable number.

26125045289 is a deficient number, since it is larger than the sum of its proper divisors (3732149335).

26125045289 is an equidigital number, since it uses as much as digits as its factorization.

26125045289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732149334.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 26125045289 in words is "twenty-six billion, one hundred twenty-five million, forty-five thousand, two hundred eighty-nine".