105450517316687 has 2 divisors, whose sum is σ = 105450517316688. Its totient is φ = 105450517316686.

The previous prime is 105450517316681. The next prime is 105450517316741. The reversal of 105450517316687 is 786613715054501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105450517316687 - 2³⁰ = 105449443574863 is a prime.

It is a super-2 number, since 2×105450517316687² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105450517316681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52725258658343 + 52725258658344.

It is an arithmetic number, because the mean of its divisors is an integer number (52725258658344).

Almost surely, 2^{105450517316687} is an apocalyptic number.

105450517316687 is a deficient number, since it is larger than the sum of its proper divisors (1).

105450517316687 is an equidigital number, since it uses as much as digits as its factorization.

105450517316687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168000, while the sum is 59.

The spelling of 105450517316687 in words is "one hundred five trillion, four hundred fifty billion, five hundred seventeen million, three hundred sixteen thousand, six hundred eighty-seven".