2054916515959 has 2 divisors, whose sum is σ = 2054916515960. Its totient is φ = 2054916515958.

The previous prime is 2054916515947. The next prime is 2054916516043. The reversal of 2054916515959 is 9595156194502.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2054916515959 - 2²³ = 2054908127351 is a prime.

It is a super-2 number, since 2×2054916515959² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2054916515897 and 2054916515906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2054916515459) 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, 1027458257979 + 1027458257980.

It is an arithmetic number, because the mean of its divisors is an integer number (1027458257980).

Almost surely, 2^{2054916515959} is an apocalyptic number.

2054916515959 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054916515959 is an equidigital number, since it uses as much as digits as its factorization.

2054916515959 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21870000, while the sum is 61.

The spelling of 2054916515959 in words is "two trillion, fifty-four billion, nine hundred sixteen million, five hundred fifteen thousand, nine hundred fifty-nine".