2054406555511 has 2 divisors, whose sum is σ = 2054406555512. Its totient is φ = 2054406555510.

The previous prime is 2054406555493. The next prime is 2054406555533. The reversal of 2054406555511 is 1155556044502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2054406555511 - 2⁹ = 2054406554999 is a prime.

It is a super-2 number, since 2×2054406555511² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2054406555571) 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, 1027203277755 + 1027203277756.

It is an arithmetic number, because the mean of its divisors is an integer number (1027203277756).

Almost surely, 2^{2054406555511} is an apocalyptic number.

2054406555511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054406555511 is an equidigital number, since it uses as much as digits as its factorization.

2054406555511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600000, while the sum is 43.

The spelling of 2054406555511 in words is "two trillion, fifty-four billion, four hundred six million, five hundred fifty-five thousand, five hundred eleven".