105516115087 has 2 divisors, whose sum is σ = 105516115088. Its totient is φ = 105516115086.

The previous prime is 105516115039. The next prime is 105516115091. The reversal of 105516115087 is 780511615501.

It is a strong prime.

It is an emirp because it is prime and its reverse (780511615501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105516115087 - 2⁷ = 105516114959 is a prime.

It is a super-2 number, since 2×105516115087² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105516115007) 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, 52758057543 + 52758057544.

It is an arithmetic number, because the mean of its divisors is an integer number (52758057544).

Almost surely, 2^105516115087 is an apocalyptic number.

105516115087 is a deficient number, since it is larger than the sum of its proper divisors (1).

105516115087 is an equidigital number, since it uses as much as digits as its factorization.

105516115087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42000, while the sum is 40.

The spelling of 105516115087 in words is "one hundred five billion, five hundred sixteen million, one hundred fifteen thousand, eighty-seven".