28586814511 has 2 divisors, whose sum is σ = 28586814512. Its totient is φ = 28586814510.

The previous prime is 28586814481. The next prime is 28586814523. The reversal of 28586814511 is 11541868582.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28586814511 - 2⁷ = 28586814383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28586814541) 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 as a sum of consecutive naturals, namely, 14293407255 + 14293407256.

It is an arithmetic number, because the mean of its divisors is an integer number (14293407256).

Almost surely, 2^28586814511 is an apocalyptic number.

28586814511 is a deficient number, since it is larger than the sum of its proper divisors (1).

28586814511 is an equidigital number, since it uses as much as digits as its factorization.

28586814511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 614400, while the sum is 49.

The spelling of 28586814511 in words is "twenty-eight billion, five hundred eighty-six million, eight hundred fourteen thousand, five hundred eleven".