2105401669055 has 8 divisors (see below), whose sum is σ = 2526489856800. Its totient is φ = 1684316099296.

The previous prime is 2105401669043. The next prime is 2105401669067. The reversal of 2105401669055 is 5509661045012.

It is an interprime number because it is at equal distance from previous prime (2105401669043) and next prime (2105401669067).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2105401669055 - 2¹² = 2105401664959 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2105401668997 and 2105401669015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2475881 + ... + 3215709.

It is an arithmetic number, because the mean of its divisors is an integer number (315811232100).

Almost surely, 2^{2105401669055} is an apocalyptic number.

2105401669055 is a deficient number, since it is larger than the sum of its proper divisors (421088187745).

2105401669055 is an equidigital number, since it uses as much as digits as its factorization.

2105401669055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308993.

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 2105401669055 in words is "two trillion, one hundred five billion, four hundred one million, six hundred sixty-nine thousand, fifty-five".