28136852551 has 2 divisors, whose sum is σ = 28136852552. Its totient is φ = 28136852550.

The previous prime is 28136852521. The next prime is 28136852651. The reversal of 28136852551 is 15525863182.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28136852551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28136852521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14068426275 + 14068426276.

It is an arithmetic number, because the mean of its divisors is an integer number (14068426276).

Almost surely, 2^28136852551 is an apocalyptic number.

28136852551 is a deficient number, since it is larger than the sum of its proper divisors (1).

28136852551 is an equidigital number, since it uses as much as digits as its factorization.

28136852551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 576000, while the sum is 46.

The spelling of 28136852551 in words is "twenty-eight billion, one hundred thirty-six million, eight hundred fifty-two thousand, five hundred fifty-one".