28510964601 has 16 divisors (see below), whose sum is σ = 43636675584. Its totient is φ = 16220206224.

The previous prime is 28510964569. The next prime is 28510964617. The reversal of 28510964601 is 10646901582.

It is not a de Polignac number, because 28510964601 - 2⁵ = 28510964569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28510964101) 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 15 ways as a sum of consecutive naturals, for example, 2985685 + ... + 2995218.

It is an arithmetic number, because the mean of its divisors is an integer number (2727292224).

Almost surely, 2^28510964601 is an apocalyptic number.

28510964601 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

28510964601 is a deficient number, since it is larger than the sum of its proper divisors (15125710983).

28510964601 is a wasteful number, since it uses less digits than its factorization.

28510964601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5981140.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 28510964601 in words is "twenty-eight billion, five hundred ten million, nine hundred sixty-four thousand, six hundred one".