10516550987 has 2 divisors, whose sum is σ = 10516550988. Its totient is φ = 10516550986.

The previous prime is 10516550969. The next prime is 10516551029. The reversal of 10516550987 is 78905561501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10516550987 is a prime.

It is a super-2 number, since 2×10516550987² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10516550287) 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, 5258275493 + 5258275494.

It is an arithmetic number, because the mean of its divisors is an integer number (5258275494).

Almost surely, 2^10516550987 is an apocalyptic number.

10516550987 is a deficient number, since it is larger than the sum of its proper divisors (1).

10516550987 is an equidigital number, since it uses as much as digits as its factorization.

10516550987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378000, while the sum is 47.

The spelling of 10516550987 in words is "ten billion, five hundred sixteen million, five hundred fifty thousand, nine hundred eighty-seven".