2005765112203 has 2 divisors, whose sum is σ = 2005765112204. Its totient is φ = 2005765112202.

The previous prime is 2005765112179. The next prime is 2005765112237. The reversal of 2005765112203 is 3022115675002.

It is an a-pointer prime, because the next prime (2005765112237) can be obtained adding 2005765112203 to its sum of digits (34).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2005765112203 - 2⁵ = 2005765112171 is a prime.

It is not a weakly prime, because it can be changed into another prime (2005765112503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002882556101 + 1002882556102.

It is an arithmetic number, because the mean of its divisors is an integer number (1002882556102).

Almost surely, 2^{2005765112203} is an apocalyptic number.

2005765112203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005765112203 is an equidigital number, since it uses as much as digits as its factorization.

2005765112203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 34.

The spelling of 2005765112203 in words is "two trillion, five billion, seven hundred sixty-five million, one hundred twelve thousand, two hundred three".