2542128875 has 32 divisors (see below), whose sum is σ = 3727249344. Its totient is φ = 1706592000.

The previous prime is 2542128857. The next prime is 2542128877. The reversal of 2542128875 is 5788212452.

It is not a de Polignac number, because 2542128875 - 2²⁰ = 2541080299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2542128877) 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 31 ways as a sum of consecutive naturals, for example, 53234 + ... + 88983.

It is an arithmetic number, because the mean of its divisors is an integer number (116476542).

Almost surely, 2^2542128875 is an apocalyptic number.

2542128875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2542128875 is a deficient number, since it is larger than the sum of its proper divisors (1185120469).

2542128875 is a wasteful number, since it uses less digits than its factorization.

2542128875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142256 (or 142246 counting only the distinct ones).

The product of its digits is 358400, while the sum is 44.

The square root of 2542128875 is about 50419.5287066430. The cubic root of 2542128875 is about 1364.7900717919.

The spelling of 2542128875 in words is "two billion, five hundred forty-two million, one hundred twenty-eight thousand, eight hundred seventy-five".