28252503075 has 48 divisors (see below), whose sum is σ = 46944773120. Its totient is φ = 14992750080.

The previous prime is 28252503043. The next prime is 28252503157. The reversal of 28252503075 is 57030525282.

It is not a de Polignac number, because 28252503075 - 2⁵ = 28252503043 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15034986 + ... + 15036864.

Almost surely, 2^28252503075 is an apocalyptic number.

28252503075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28252503075 is a deficient number, since it is larger than the sum of its proper divisors (18692270045).

28252503075 is a wasteful number, since it uses less digits than its factorization.

28252503075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788 (or 2783 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 39.

The spelling of 28252503075 in words is "twenty-eight billion, two hundred fifty-two million, five hundred three thousand, seventy-five".