25341553085 has 4 divisors (see below), whose sum is σ = 30409863708. Its totient is φ = 20273242464.

The previous prime is 25341553067. The next prime is 25341553129. The reversal of 25341553085 is 58035514352.

It is a happy number.

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 11758582969 + 13582970116 = 108437^2 + 116546^2 .

It is a cyclic number.

It is not a de Polignac number, because 25341553085 - 2²⁰ = 25340504509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2534155304 + ... + 2534155313.

It is an arithmetic number, because the mean of its divisors is an integer number (7602465927).

Almost surely, 2^25341553085 is an apocalyptic number.

It is an amenable number.

25341553085 is a deficient number, since it is larger than the sum of its proper divisors (5068310623).

25341553085 is an equidigital number, since it uses as much as digits as its factorization.

25341553085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5068310622.

The product of its (nonzero) digits is 360000, while the sum is 41.

The spelling of 25341553085 in words is "twenty-five billion, three hundred forty-one million, five hundred fifty-three thousand, eighty-five".