25485641471253 has 24 divisors (see below), whose sum is σ = 34140505160160. Its totient is φ = 16910956102080.

The previous prime is 25485641471233. The next prime is 25485641471341. The reversal of 25485641471253 is 35217414658452.

It is a happy number.

It is not a de Polignac number, because 25485641471253 - 2¹⁶ = 25485641405717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25485641471193 and 25485641471202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25485641471233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216547138 + ... + 216664796.

It is an arithmetic number, because the mean of its divisors is an integer number (1422521048340).

Almost surely, 2^{25485641471253} is an apocalyptic number.

It is an amenable number.

25485641471253 is a deficient number, since it is larger than the sum of its proper divisors (8654863688907).

25485641471253 is an equidigital number, since it uses as much as digits as its factorization.

25485641471253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119157 (or 118880 counting only the distinct ones).

The product of its digits is 32256000, while the sum is 57.

The spelling of 25485641471253 in words is "twenty-five trillion, four hundred eighty-five billion, six hundred forty-one million, four hundred seventy-one thousand, two hundred fifty-three".