1065551015 has 32 divisors (see below), whose sum is σ = 1356880896. Its totient is φ = 801687040.

The previous prime is 1065550961. The next prime is 1065551017. The reversal of 1065551015 is 5101555601.

It is a happy number.

1065551015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1065551015 - 2¹² = 1065546919 is a prime.

It is a super-2 number, since 2×1065551015² = 2270797931135060450, 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 (1065551017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2169920 + ... + 2170410.

It is an arithmetic number, because the mean of its divisors is an integer number (42402528).

Almost surely, 2^1065551015 is an apocalyptic number.

1065551015 is a deficient number, since it is larger than the sum of its proper divisors (291329881).

1065551015 is a wasteful number, since it uses less digits than its factorization.

1065551015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799.

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 1065551015 is about 32642.7789105033. The cubic root of 1065551015 is about 1021.3895629272.

The spelling of 1065551015 in words is "one billion, sixty-five million, five hundred fifty-one thousand, fifteen".