28055030525 has 24 divisors (see below), whose sum is σ = 35321292864. Its totient is φ = 22100892800.

The previous prime is 28055030501. The next prime is 28055030527. The reversal of 28055030525 is 52503055082.

It is not a de Polignac number, because 28055030525 - 2⁶ = 28055030461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28055030527) 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 23 ways as a sum of consecutive naturals, for example, 1511954 + ... + 1530396.

It is an arithmetic number, because the mean of its divisors is an integer number (1471720536).

Almost surely, 2^28055030525 is an apocalyptic number.

28055030525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28055030525 is a deficient number, since it is larger than the sum of its proper divisors (7266262339).

28055030525 is a wasteful number, since it uses less digits than its factorization.

28055030525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19381 (or 19376 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 28055030525 in words is "twenty-eight billion, fifty-five million, thirty thousand, five hundred twenty-five".