28603511371 has 2 divisors, whose sum is σ = 28603511372. Its totient is φ = 28603511370.

The previous prime is 28603511357. The next prime is 28603511393. The reversal of 28603511371 is 17311530682.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28603511371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28603511371.

It is not a weakly prime, because it can be changed into another prime (28603511311) 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 as a sum of consecutive naturals, namely, 14301755685 + 14301755686.

It is an arithmetic number, because the mean of its divisors is an integer number (14301755686).

Almost surely, 2^28603511371 is an apocalyptic number.

28603511371 is a deficient number, since it is larger than the sum of its proper divisors (1).

28603511371 is an equidigital number, since it uses as much as digits as its factorization.

28603511371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 28603511371 in words is "twenty-eight billion, six hundred three million, five hundred eleven thousand, three hundred seventy-one".