5100509987 has 2 divisors, whose sum is σ = 5100509988. Its totient is φ = 5100509986.

The previous prime is 5100509971. The next prime is 5100510001. The reversal of 5100509987 is 7899050015.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5100509987 - 2⁴ = 5100509971 is a prime.

It is not a weakly prime, because it can be changed into another prime (5100509917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550254993 + 2550254994.

It is an arithmetic number, because the mean of its divisors is an integer number (2550254994).

Almost surely, 2^5100509987 is an apocalyptic number.

5100509987 is a deficient number, since it is larger than the sum of its proper divisors (1).

5100509987 is an equidigital number, since it uses as much as digits as its factorization.

5100509987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 113400, while the sum is 44.

The square root of 5100509987 is about 71417.8548193657. The cubic root of 5100509987 is about 1721.3579940388.

The spelling of 5100509987 in words is "five billion, one hundred million, five hundred nine thousand, nine hundred eighty-seven".