28075152272641 has 4 divisors (see below), whose sum is σ = 28980802345984. Its totient is φ = 27169502199300.

The previous prime is 28075152272611. The next prime is 28075152272677. The reversal of 28075152272641 is 14627225157082.

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 28075152272641 - 2⁷ = 28075152272513 is a prime.

It is a super-2 number, since 2×28075152272641² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28075152272611) 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 3 ways as a sum of consecutive naturals, for example, 452825036625 + ... + 452825036686.

It is an arithmetic number, because the mean of its divisors is an integer number (7245200586496).

Almost surely, 2^{28075152272641} is an apocalyptic number.

It is an amenable number.

28075152272641 is a deficient number, since it is larger than the sum of its proper divisors (905650073343).

28075152272641 is an equidigital number, since it uses as much as digits as its factorization.

28075152272641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905650073342.

The product of its (nonzero) digits is 3763200, while the sum is 52.

The spelling of 28075152272641 in words is "twenty-eight trillion, seventy-five billion, one hundred fifty-two million, two hundred seventy-two thousand, six hundred forty-one".