1057985005 has 16 divisors (see below), whose sum is σ = 1582856064. Its totient is φ = 659522880.

The previous prime is 1057985003. The next prime is 1057985051. The reversal of 1057985005 is 5005897501.

It is not a de Polignac number, because 1057985005 - 2¹ = 1057985003 is a prime.

It is a super-2 number, since 2×1057985005² = 2238664541609700050, which 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 (1057985003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1373622 + ... + 1374391.

It is an arithmetic number, because the mean of its divisors is an integer number (98928504).

Almost surely, 2^1057985005 is an apocalyptic number.

It is an amenable number.

1057985005 is a deficient number, since it is larger than the sum of its proper divisors (524871059).

1057985005 is a wasteful number, since it uses less digits than its factorization.

1057985005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748036.

The product of its (nonzero) digits is 63000, while the sum is 40.

The square root of 1057985005 is about 32526.6814323257. The cubic root of 1057985005 is about 1018.9663387898.

The spelling of 1057985005 in words is "one billion, fifty-seven million, nine hundred eighty-five thousand, five".