1155060165 has 32 divisors (see below), whose sum is σ = 2115360000. Its totient is φ = 527215104.

The previous prime is 1155060131. The next prime is 1155060167. The reversal of 1155060165 is 5610605511.

It is not a de Polignac number, because 1155060165 - 2¹⁰ = 1155059141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155060167) 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, 62961 + ... + 79209.

It is an arithmetic number, because the mean of its divisors is an integer number (66105000).

Almost surely, 2^1155060165 is an apocalyptic number.

1155060165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1155060165 is a deficient number, since it is larger than the sum of its proper divisors (960299835).

1155060165 is a wasteful number, since it uses less digits than its factorization.

1155060165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16941.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 1155060165 is about 33986.1760867562. The cubic root of 1155060165 is about 1049.2239662730.

Adding to 1155060165 its reverse (5610605511), we get a palindrome (6765665676).

The spelling of 1155060165 in words is "one billion, one hundred fifty-five million, sixty thousand, one hundred sixty-five".