2055554411191 has 2 divisors, whose sum is σ = 2055554411192. Its totient is φ = 2055554411190.

The previous prime is 2055554411179. The next prime is 2055554411213. The reversal of 2055554411191 is 1911144555502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2055554411191 - 2⁵ = 2055554411159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2055554711191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027777205595 + 1027777205596.

It is an arithmetic number, because the mean of its divisors is an integer number (1027777205596).

Almost surely, 2^{2055554411191} is an apocalyptic number.

2055554411191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2055554411191 is an equidigital number, since it uses as much as digits as its factorization.

2055554411191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180000, while the sum is 43.

Adding to 2055554411191 its reverse (1911144555502), we get a palindrome (3966698966693).

The spelling of 2055554411191 in words is "two trillion, fifty-five billion, five hundred fifty-four million, four hundred eleven thousand, one hundred ninety-one".