2100555055471 has 2 divisors, whose sum is σ = 2100555055472. Its totient is φ = 2100555055470.

The previous prime is 2100555055447. The next prime is 2100555055483. The reversal of 2100555055471 is 1745505550012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2100555055471 - 2³³ = 2091965120879 is a prime.

It is a super-3 number, since 3×2100555055471³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100555055171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050277527735 + 1050277527736.

It is an arithmetic number, because the mean of its divisors is an integer number (1050277527736).

Almost surely, 2^{2100555055471} is an apocalyptic number.

2100555055471 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100555055471 is an equidigital number, since it uses as much as digits as its factorization.

2100555055471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 175000, while the sum is 40.

The spelling of 2100555055471 in words is "two trillion, one hundred billion, five hundred fifty-five million, fifty-five thousand, four hundred seventy-one".