28550101147 has 2 divisors, whose sum is σ = 28550101148. Its totient is φ = 28550101146.

The previous prime is 28550101123. The next prime is 28550101201. The reversal of 28550101147 is 74110105582.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28550101147 is a prime.

It is not a weakly prime, because it can be changed into another prime (28550101847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14275050573 + 14275050574.

It is an arithmetic number, because the mean of its divisors is an integer number (14275050574).

Almost surely, 2^28550101147 is an apocalyptic number.

28550101147 is a deficient number, since it is larger than the sum of its proper divisors (1).

28550101147 is an equidigital number, since it uses as much as digits as its factorization.

28550101147 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11200, while the sum is 34.

The spelling of 28550101147 in words is "twenty-eight billion, five hundred fifty million, one hundred one thousand, one hundred forty-seven".