2105198980175 has 48 divisors (see below), whose sum is σ = 2800602000000. Its totient is φ = 1564902218880.

The previous prime is 2105198980123. The next prime is 2105198980187. The reversal of 2105198980175 is 5710898915012.

It is not a de Polignac number, because 2105198980175 - 2⁶ = 2105198980111 is a prime.

It is a super-2 number, since 2×2105198980175² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2105198980175.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 88075376 + ... + 88099274.

It is an arithmetic number, because the mean of its divisors is an integer number (58345875000).

Almost surely, 2^{2105198980175} is an apocalyptic number.

2105198980175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2105198980175 is a deficient number, since it is larger than the sum of its proper divisors (695403019825).

2105198980175 is a wasteful number, since it uses less digits than its factorization.

2105198980175 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27480 (or 27475 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 56.

The spelling of 2105198980175 in words is "two trillion, one hundred five billion, one hundred ninety-eight million, nine hundred eighty thousand, one hundred seventy-five".