25428042875 has 16 divisors (see below), whose sum is σ = 31739037408. Its totient is φ = 20339332000.

The previous prime is 25428042853. The next prime is 25428042889. The reversal of 25428042875 is 57824082452.

It is not a de Polignac number, because 25428042875 - 2³⁰ = 24354301051 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 1165820 + ... + 1187430.

It is an arithmetic number, because the mean of its divisors is an integer number (1983689838).

Almost surely, 2^25428042875 is an apocalyptic number.

25428042875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25428042875 is a deficient number, since it is larger than the sum of its proper divisors (6310994533).

25428042875 is an equidigital number, since it uses as much as digits as its factorization.

25428042875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31039 (or 31029 counting only the distinct ones).

The product of its (nonzero) digits is 1433600, while the sum is 47.

The spelling of 25428042875 in words is "twenty-five billion, four hundred twenty-eight million, forty-two thousand, eight hundred seventy-five".