2061550343205 has 40 divisors (see below), whose sum is σ = 3696727031712. Its totient is φ = 1099134362592.

The previous prime is 2061550343119. The next prime is 2061550343221. The reversal of 2061550343205 is 5023430551602.

2061550343205 is a `hidden beast` number, since 2 + 0 + 61 + 5 + 50 + 343 + 205 = 666.

It is not a de Polignac number, because 2061550343205 - 2⁸ = 2061550342949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2061550343205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 412294 + ... + 2071976.

Almost surely, 2^{2061550343205} is an apocalyptic number.

It is an amenable number.

2061550343205 is a deficient number, since it is larger than the sum of its proper divisors (1635176688507).

2061550343205 is a wasteful number, since it uses less digits than its factorization.

2061550343205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1662767 (or 1662758 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 2061550343205 its reverse (5023430551602), we get a palindrome (7084980894807).

The spelling of 2061550343205 in words is "two trillion, sixty-one billion, five hundred fifty million, three hundred forty-three thousand, two hundred five".