105016120987 has 2 divisors, whose sum is σ = 105016120988. Its totient is φ = 105016120986.

The previous prime is 105016120931. The next prime is 105016121027. The reversal of 105016120987 is 789021610501.

It is a happy number.

It is an a-pointer prime, because the next prime (105016121027) can be obtained adding 105016120987 to its sum of digits (40).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105016120987 - 2¹¹ = 105016118939 is a prime.

It is a super-2 number, since 2×105016120987² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105016120687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52508060493 + 52508060494.

It is an arithmetic number, because the mean of its divisors is an integer number (52508060494).

Almost surely, 2^105016120987 is an apocalyptic number.

105016120987 is a deficient number, since it is larger than the sum of its proper divisors (1).

105016120987 is an equidigital number, since it uses as much as digits as its factorization.

105016120987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 40.

The spelling of 105016120987 in words is "one hundred five billion, sixteen million, one hundred twenty thousand, nine hundred eighty-seven".