2061103771135 has 4 divisors (see below), whose sum is σ = 2473324525368. Its totient is φ = 1648883016904.

The previous prime is 2061103771033. The next prime is 2061103771261. The reversal of 2061103771135 is 5311773011602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2061103771135 - 2¹³ = 2061103762943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2061103771094 and 2061103771103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206110377109 + ... + 206110377118.

It is an arithmetic number, because the mean of its divisors is an integer number (618331131342).

Almost surely, 2^{2061103771135} is an apocalyptic number.

2061103771135 is a deficient number, since it is larger than the sum of its proper divisors (412220754233).

2061103771135 is an equidigital number, since it uses as much as digits as its factorization.

2061103771135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412220754232.

The product of its (nonzero) digits is 26460, while the sum is 37.

Adding to 2061103771135 its reverse (5311773011602), we get a palindrome (7372876782737).

The spelling of 2061103771135 in words is "two trillion, sixty-one billion, one hundred three million, seven hundred seventy-one thousand, one hundred thirty-five".