2055798799999 has 6 divisors (see below), whose sum is σ = 2391439420464. Its totient is φ = 1762113257100.

The previous prime is 2055798799933. The next prime is 2055798800021. The reversal of 2055798799999 is 9999978975502.

It is not a de Polignac number, because 2055798799999 - 2⁷ = 2055798799871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055798796999) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20977538727 + ... + 20977538824.

It is an arithmetic number, because the mean of its divisors is an integer number (398573236744).

Almost surely, 2^{2055798799999} is an apocalyptic number.

2055798799999 is a deficient number, since it is larger than the sum of its proper divisors (335640620465).

2055798799999 is an equidigital number, since it uses as much as digits as its factorization.

2055798799999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41955077565 (or 41955077558 counting only the distinct ones).

The product of its (nonzero) digits is 10416243600, while the sum is 88.

The spelling of 2055798799999 in words is "two trillion, fifty-five billion, seven hundred ninety-eight million, seven hundred ninety-nine thousand, nine hundred ninety-nine".