25868153253 has 8 divisors (see below), whose sum is σ = 34503604416. Its totient is φ = 17239068800.

The previous prime is 25868153243. The next prime is 25868153273. The reversal of 25868153253 is 35235186852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25868153253 - 2⁸ = 25868152997 is a prime.

It is a super-2 number, since 2×25868153253² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25868153203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1582188 + ... + 1598453.

It is an arithmetic number, because the mean of its divisors is an integer number (4312950552).

Almost surely, 2^25868153253 is an apocalyptic number.

It is an amenable number.

25868153253 is a deficient number, since it is larger than the sum of its proper divisors (8635451163).

25868153253 is a wasteful number, since it uses less digits than its factorization.

25868153253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3183355.

The product of its digits is 1728000, while the sum is 48.

The spelling of 25868153253 in words is "twenty-five billion, eight hundred sixty-eight million, one hundred fifty-three thousand, two hundred fifty-three".