25626354113 has 4 divisors (see below), whose sum is σ = 25692232020. Its totient is φ = 25560476208.

The previous prime is 25626354097. The next prime is 25626354157. The reversal of 25626354113 is 31145362652.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6390883249 + 19235470864 = 79943^2 + 138692^2 .

It is a cyclic number.

It is not a de Polignac number, because 25626354113 - 2⁴ = 25626354097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25626374113) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 32938370 + ... + 32939147.

It is an arithmetic number, because the mean of its divisors is an integer number (6423058005).

Almost surely, 2^25626354113 is an apocalyptic number.

It is an amenable number.

25626354113 is a deficient number, since it is larger than the sum of its proper divisors (65877907).

25626354113 is an equidigital number, since it uses as much as digits as its factorization.

25626354113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65877906.

The product of its digits is 129600, while the sum is 38.

The spelling of 25626354113 in words is "twenty-five billion, six hundred twenty-six million, three hundred fifty-four thousand, one hundred thirteen".