1065506011 has 8 divisors (see below), whose sum is σ = 1088010144. Its totient is φ = 1043090880.

The previous prime is 1065506009. The next prime is 1065506021. The reversal of 1065506011 is 1106055601.

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

It is not a de Polignac number, because 1065506011 - 2¹ = 1065506009 is a prime.

It is a super-2 number, since 2×1065506011² = 2270606118954264242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1065506021) 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 7 ways as a sum of consecutive naturals, for example, 2226 + ... + 46216.

It is an arithmetic number, because the mean of its divisors is an integer number (136001268).

Almost surely, 2^1065506011 is an apocalyptic number.

1065506011 is a deficient number, since it is larger than the sum of its proper divisors (22504133).

1065506011 is an equidigital number, since it uses as much as digits as its factorization.

1065506011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44501.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1065506011 is about 32642.0895624039. The cubic root of 1065506011 is about 1021.3751831173.

The spelling of 1065506011 in words is "one billion, sixty-five million, five hundred six thousand, eleven".