2558058005081 has 4 divisors (see below), whose sum is σ = 2583385312164. Its totient is φ = 2532730698000.

The previous prime is 2558058005057. The next prime is 2558058005123. The reversal of 2558058005081 is 1805008508552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1063084723600 + 1494973281481 = 1031060^2 + 1222691^2 .

It is a cyclic number.

It is not a de Polignac number, because 2558058005081 - 2¹⁸ = 2558057742937 is a prime.

It is a super-2 number, since 2×2558058005081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2558058008081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12663653390 + ... + 12663653591.

It is an arithmetic number, because the mean of its divisors is an integer number (645846328041).

Almost surely, 2^{2558058005081} is an apocalyptic number.

It is an amenable number.

2558058005081 is a deficient number, since it is larger than the sum of its proper divisors (25327307083).

2558058005081 is a wasteful number, since it uses less digits than its factorization.

2558058005081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25327307082.

The product of its (nonzero) digits is 640000, while the sum is 47.

The spelling of 2558058005081 in words is "two trillion, five hundred fifty-eight billion, fifty-eight million, five thousand, eighty-one".