28053052805057 has 4 divisors (see below), whose sum is σ = 32060631777216. Its totient is φ = 24045473832900.

The previous prime is 28053052804993. The next prime is 28053052805087. The reversal of 28053052805057 is 75050825035082.

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 28053052805057 - 2⁶ = 28053052804993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28053052804996 and 28053052805014.

It is not an unprimeable number, because it can be changed into a prime (28053052805087) 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, 2003789486069 + ... + 2003789486082.

It is an arithmetic number, because the mean of its divisors is an integer number (8015157944304).

Almost surely, 2^{28053052805057} is an apocalyptic number.

It is an amenable number.

28053052805057 is a deficient number, since it is larger than the sum of its proper divisors (4007578972159).

28053052805057 is an equidigital number, since it uses as much as digits as its factorization.

28053052805057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007578972158.

The product of its (nonzero) digits is 3360000, while the sum is 50.

The spelling of 28053052805057 in words is "twenty-eight trillion, fifty-three billion, fifty-two million, eight hundred five thousand, fifty-seven".