28424825511 has 8 divisors (see below), whose sum is σ = 37901487744. Its totient is φ = 18949023480.

The previous prime is 28424825497. The next prime is 28424825557. The reversal of 28424825511 is 11552842482.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 28424825511 - 2¹⁰ = 28424824487 is a prime.

It is a super-2 number, since 2×28424825511² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28424845511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133531 + ... + 273276.

It is an arithmetic number, because the mean of its divisors is an integer number (4737685968).

Almost surely, 2^28424825511 is an apocalyptic number.

28424825511 is a deficient number, since it is larger than the sum of its proper divisors (9476662233).

28424825511 is a wasteful number, since it uses less digits than its factorization.

28424825511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430101.

The product of its digits is 204800, while the sum is 42.

The spelling of 28424825511 in words is "twenty-eight billion, four hundred twenty-four million, eight hundred twenty-five thousand, five hundred eleven".