25355858009 has 8 divisors (see below), whose sum is σ = 25651404000. Its totient is φ = 25060548832.

The previous prime is 25355857997. The next prime is 25355858041. The reversal of 25355858009 is 90085855352.

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 25355858009 - 2⁸ = 25355857753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25355858069) 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 7 ways as a sum of consecutive naturals, for example, 160922 + ... + 276780.

It is an arithmetic number, because the mean of its divisors is an integer number (3206425500).

Almost surely, 2^25355858009 is an apocalyptic number.

It is an amenable number.

25355858009 is a deficient number, since it is larger than the sum of its proper divisors (295545991).

25355858009 is a wasteful number, since it uses less digits than its factorization.

25355858009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118407.

The product of its (nonzero) digits is 2160000, while the sum is 50.

The spelling of 25355858009 in words is "twenty-five billion, three hundred fifty-five million, eight hundred fifty-eight thousand, nine".