28787800130051 has 2 divisors, whose sum is σ = 28787800130052. Its totient is φ = 28787800130050.

The previous prime is 28787800130029. The next prime is 28787800130057. The reversal of 28787800130051 is 15003100878782.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28787800130051 is a prime.

It is not a weakly prime, because it can be changed into another prime (28787800130057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14393900065025 + 14393900065026.

It is an arithmetic number, because the mean of its divisors is an integer number (14393900065026).

Almost surely, 2^{28787800130051} is an apocalyptic number.

28787800130051 is a deficient number, since it is larger than the sum of its proper divisors (1).

28787800130051 is an equidigital number, since it uses as much as digits as its factorization.

28787800130051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 752640, while the sum is 50.

The spelling of 28787800130051 in words is "twenty-eight trillion, seven hundred eighty-seven billion, eight hundred million, one hundred thirty thousand, fifty-one".