28200525050057 has 2 divisors, whose sum is σ = 28200525050058. Its totient is φ = 28200525050056.

The previous prime is 28200525050029. The next prime is 28200525050177. The reversal of 28200525050057 is 75005052500282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19396836705856 + 8803688344201 = 4404184^2 + 2967101^2 .

It is a cyclic number.

It is not a de Polignac number, because 28200525050057 - 2⁴⁰ = 27101013422281 is a prime.

It is a super-3 number, since 3×28200525050057³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 28200525049996 and 28200525050023.

It is not a weakly prime, because it can be changed into another prime (28200525250057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14100262525028 + 14100262525029.

It is an arithmetic number, because the mean of its divisors is an integer number (14100262525029).

Almost surely, 2^{28200525050057} is an apocalyptic number.

It is an amenable number.

28200525050057 is a deficient number, since it is larger than the sum of its proper divisors (1).

28200525050057 is an equidigital number, since it uses as much as digits as its factorization.

28200525050057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280000, while the sum is 41.

The spelling of 28200525050057 in words is "twenty-eight trillion, two hundred billion, five hundred twenty-five million, fifty thousand, fifty-seven".