25456215341 has 16 divisors (see below), whose sum is σ = 27550333440. Its totient is φ = 23468699520.

The previous prime is 25456215331. The next prime is 25456215349. The reversal of 25456215341 is 14351265452.

It is a cyclic number.

It is not a de Polignac number, because 25456215341 - 2⁶ = 25456215277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25456215295 and 25456215304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25456215349) 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 15 ways as a sum of consecutive naturals, for example, 171881 + ... + 283646.

It is an arithmetic number, because the mean of its divisors is an integer number (1721895840).

Almost surely, 2^25456215341 is an apocalyptic number.

It is an amenable number.

25456215341 is a deficient number, since it is larger than the sum of its proper divisors (2094118099).

25456215341 is a wasteful number, since it uses less digits than its factorization.

25456215341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455644.

The product of its digits is 144000, while the sum is 38.

The spelling of 25456215341 in words is "twenty-five billion, four hundred fifty-six million, two hundred fifteen thousand, three hundred forty-one".