28603511089 has 2 divisors, whose sum is σ = 28603511090. Its totient is φ = 28603511088.

The previous prime is 28603511023. The next prime is 28603511093. The reversal of 28603511089 is 98011530682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22548025600 + 6055485489 = 150160^2 + 77817^2 .

It is a cyclic number.

It is not a de Polignac number, because 28603511089 - 2¹¹ = 28603509041 is a prime.

It is not a weakly prime, because it can be changed into another prime (28603511009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14301755544 + 14301755545.

It is an arithmetic number, because the mean of its divisors is an integer number (14301755545).

Almost surely, 2^28603511089 is an apocalyptic number.

It is an amenable number.

28603511089 is a deficient number, since it is larger than the sum of its proper divisors (1).

28603511089 is an equidigital number, since it uses as much as digits as its factorization.

28603511089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 28603511089 in words is "twenty-eight billion, six hundred three million, five hundred eleven thousand, eighty-nine".