2000005555091 has 2 divisors, whose sum is σ = 2000005555092. Its totient is φ = 2000005555090.

The previous prime is 2000005554991. The next prime is 2000005555103. The reversal of 2000005555091 is 1905555000002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2000005555091 - 2¹⁸ = 2000005292947 is a prime.

It is not a weakly prime, because it can be changed into another prime (2000005555291) 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 as a sum of consecutive naturals, namely, 1000002777545 + 1000002777546.

It is an arithmetic number, because the mean of its divisors is an integer number (1000002777546).

Almost surely, 2^{2000005555091} is an apocalyptic number.

2000005555091 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000005555091 is an equidigital number, since it uses as much as digits as its factorization.

2000005555091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11250, while the sum is 32.

The spelling of 2000005555091 in words is "two trillion, five million, five hundred fifty-five thousand, ninety-one".