105109983946687 has 2 divisors, whose sum is σ = 105109983946688. Its totient is φ = 105109983946686.

The previous prime is 105109983946657. The next prime is 105109983946697. The reversal of 105109983946687 is 786649389901501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105109983946687 - 2⁷ = 105109983946559 is a prime.

It is a super-2 number, since 2×105109983946687² (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 (105109983946637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52554991973343 + 52554991973344.

It is an arithmetic number, because the mean of its divisors is an integer number (52554991973344).

Almost surely, 2^{105109983946687} is an apocalyptic number.

105109983946687 is a deficient number, since it is larger than the sum of its proper divisors (1).

105109983946687 is an equidigital number, since it uses as much as digits as its factorization.

105109983946687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 705438720, while the sum is 76.

The spelling of 105109983946687 in words is "one hundred five trillion, one hundred nine billion, nine hundred eighty-three million, nine hundred forty-six thousand, six hundred eighty-seven".