28635061311 has 12 divisors (see below), whose sum is σ = 41609432592. Its totient is φ = 18975728256.

The previous prime is 28635061297. The next prime is 28635061327. The reversal of 28635061311 is 11316053682.

28635061311 is a `hidden beast` number, since 2 + 8 + 6 + 35 + 0 + 613 + 1 + 1 = 666.

It is not a de Polignac number, because 28635061311 - 2⁷ = 28635061183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28635061391) 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 11 ways as a sum of consecutive naturals, for example, 9524466 + ... + 9527471.

It is an arithmetic number, because the mean of its divisors is an integer number (3467452716).

Almost surely, 2^28635061311 is an apocalyptic number.

28635061311 is a deficient number, since it is larger than the sum of its proper divisors (12974371281).

28635061311 is a wasteful number, since it uses less digits than its factorization.

28635061311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19052110 (or 19052107 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 28635061311 in words is "twenty-eight billion, six hundred thirty-five million, sixty-one thousand, three hundred eleven".