105117210619 has 2 divisors, whose sum is σ = 105117210620. Its totient is φ = 105117210618.

The previous prime is 105117210617. The next prime is 105117210677. The reversal of 105117210619 is 916012711501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105117210619 - 2¹ = 105117210617 is a prime.

It is a super-2 number, since 2×105117210619² (a number of 23 digits) contains 22 as substring.

Together with 105117210617, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (105117210613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52558605309 + 52558605310.

It is an arithmetic number, because the mean of its divisors is an integer number (52558605310).

Almost surely, 2^105117210619 is an apocalyptic number.

105117210619 is a deficient number, since it is larger than the sum of its proper divisors (1).

105117210619 is an equidigital number, since it uses as much as digits as its factorization.

105117210619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 34.

The spelling of 105117210619 in words is "one hundred five billion, one hundred seventeen million, two hundred ten thousand, six hundred nineteen".