1061163509 has 32 divisors (see below), whose sum is σ = 1328762880. Its totient is φ = 827191872.

The previous prime is 1061163491. The next prime is 1061163533. The reversal of 1061163509 is 9053611601.

It is a happy number.

1061163509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1061163509 - 2¹² = 1061159413 is a prime.

It is a super-2 number, since 2×1061163509² = 2252135985666386162, 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 (1061163569) 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, 329702 + ... + 332904.

It is an arithmetic number, because the mean of its divisors is an integer number (41523840).

Almost surely, 2^1061163509 is an apocalyptic number.

1061163509 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1061163509 is a deficient number, since it is larger than the sum of its proper divisors (267599371).

1061163509 is a wasteful number, since it uses less digits than its factorization.

1061163509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 1061163509 is about 32575.5047389906. The cubic root of 1061163509 is about 1019.9857453474.

The spelling of 1061163509 in words is "one billion, sixty-one million, one hundred sixty-three thousand, five hundred nine".