25512870089 has 8 divisors (see below), whose sum is σ = 30162999360. Its totient is φ = 21114099216.

The previous prime is 25512870013. The next prime is 25512870121. The reversal of 25512870089 is 98007821552.

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

It is a de Polignac number, because none of the positive numbers 2^k-25512870089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25512878089) 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, 62839379 + ... + 62839784.

It is an arithmetic number, because the mean of its divisors is an integer number (3770374920).

Almost surely, 2^25512870089 is an apocalyptic number.

25512870089 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

25512870089 is a deficient number, since it is larger than the sum of its proper divisors (4650129271).

25512870089 is a wasteful number, since it uses less digits than its factorization.

25512870089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125679199.

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 25512870089 in words is "twenty-five billion, five hundred twelve million, eight hundred seventy thousand, eighty-nine".