28810356551 has 2 divisors, whose sum is σ = 28810356552. Its totient is φ = 28810356550.

The previous prime is 28810356521. The next prime is 28810356581. The reversal of 28810356551 is 15565301882.

It is a balanced prime because it is at equal distance from previous prime (28810356521) and next prime (28810356581).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28810356551 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28810356521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14405178275 + 14405178276.

It is an arithmetic number, because the mean of its divisors is an integer number (14405178276).

Almost surely, 2^28810356551 is an apocalyptic number.

28810356551 is a deficient number, since it is larger than the sum of its proper divisors (1).

28810356551 is an equidigital number, since it uses as much as digits as its factorization.

28810356551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 44.

The spelling of 28810356551 in words is "twenty-eight billion, eight hundred ten million, three hundred fifty-six thousand, five hundred fifty-one".