2055960661563 has 32 divisors (see below), whose sum is σ = 3252210593280. Its totient is φ = 1280557887840.

The previous prime is 2055960661493. The next prime is 2055960661571. The reversal of 2055960661563 is 3651660695502.

2055960661563 is a `hidden beast` number, since 20 + 5 + 5 + 9 + 606 + 6 + 1 + 5 + 6 + 3 = 666.

It is not a de Polignac number, because 2055960661563 - 2¹² = 2055960657467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2055960662563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38470108 + ... + 38523513.

It is an arithmetic number, because the mean of its divisors is an integer number (101631581040).

Almost surely, 2^{2055960661563} is an apocalyptic number.

2055960661563 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2055960661563 is a deficient number, since it is larger than the sum of its proper divisors (1196249931717).

2055960661563 is a wasteful number, since it uses less digits than its factorization.

2055960661563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76993696 (or 76993690 counting only the distinct ones).

The product of its (nonzero) digits is 8748000, while the sum is 54.

The spelling of 2055960661563 in words is "two trillion, fifty-five billion, nine hundred sixty million, six hundred sixty-one thousand, five hundred sixty-three".