28586131201 has 4 divisors (see below), whose sum is σ = 28630314432. Its totient is φ = 28541947972.

The previous prime is 28586131183. The next prime is 28586131229. The reversal of 28586131201 is 10213168582.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 28586131201 - 2⁷ = 28586131073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28586131271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22090645 + ... + 22091938.

It is an arithmetic number, because the mean of its divisors is an integer number (7157578608).

Almost surely, 2^28586131201 is an apocalyptic number.

It is an amenable number.

28586131201 is a deficient number, since it is larger than the sum of its proper divisors (44183231).

28586131201 is an equidigital number, since it uses as much as digits as its factorization.

28586131201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44183230.

The product of its (nonzero) digits is 23040, while the sum is 37.

Adding to 28586131201 its reverse (10213168582), we get a palindrome (38799299783).

The spelling of 28586131201 in words is "twenty-eight billion, five hundred eighty-six million, one hundred thirty-one thousand, two hundred one".