1011060665 has 8 divisors (see below), whose sum is σ = 1233162888. Its totient is φ = 795588480.

The previous prime is 1011060653. The next prime is 1011060671. The reversal of 1011060665 is 5660601101.

It can be written as a sum of positive squares in 4 ways, for example, as 48385936 + 962674729 = 6956^2 + 31027^2 .

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

It is not a de Polignac number, because 1011060665 - 2¹² = 1011056569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1657172 + ... + 1657781.

It is an arithmetic number, because the mean of its divisors is an integer number (154145361).

Almost surely, 2^1011060665 is an apocalyptic number.

It is an amenable number.

1011060665 is a deficient number, since it is larger than the sum of its proper divisors (222102223).

1011060665 is an equidigital number, since it uses as much as digits as its factorization.

1011060665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315019.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1011060665 is about 31797.1801422705. The cubic root of 1011060665 is about 1003.6733781041.

Adding to 1011060665 its reverse (5660601101), we get a palindrome (6671661766).

The spelling of 1011060665 in words is "one billion, eleven million, sixty thousand, six hundred sixty-five".