1058056055581 has 8 divisors (see below), whose sum is σ = 1209269300544. Its totient is φ = 906858405600.

The previous prime is 1058056055569. The next prime is 1058056055587. The reversal of 1058056055581 is 1855506508501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1058056055581 - 2¹⁷ = 1058055924509 is a prime.

It is a super-2 number, since 2×1058056055581² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1058056055587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3752995 + ... + 4025056.

It is an arithmetic number, because the mean of its divisors is an integer number (151158662568).

Almost surely, 2^{1058056055581} is an apocalyptic number.

It is an amenable number.

1058056055581 is a deficient number, since it is larger than the sum of its proper divisors (151213244963).

1058056055581 is an equidigital number, since it uses as much as digits as its factorization.

1058056055581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7797491.

The product of its (nonzero) digits is 1200000, while the sum is 49.

The spelling of 1058056055581 in words is "one trillion, fifty-eight billion, fifty-six million, fifty-five thousand, five hundred eighty-one".