1165514112 has 192 divisors, whose sum is σ = 4035283200. Its totient is φ = 315436032.

The previous prime is 1165514107. The next prime is 1165514153. The reversal of 1165514112 is 2114155611.

1165514112 is a `hidden beast` number, since 1 + 1 + 655 + 1 + 4 + 1 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×1165514112² = 2716846290542297088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149413 + ... + 157019.

It is an arithmetic number, because the mean of its divisors is an integer number (21017100).

Almost surely, 2^1165514112 is an apocalyptic number.

1165514112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1165514112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2017641600).

1165514112 is an abundant number, since it is smaller than the sum of its proper divisors (2869769088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1165514112 is a wasteful number, since it uses less digits than its factorization.

1165514112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7653 (or 7638 counting only the distinct ones).

The product of its digits is 1200, while the sum is 27.

The square root of 1165514112 is about 34139.6267114917. The cubic root of 1165514112 is about 1052.3798211168.

Adding to 1165514112 its reverse (2114155611), we get a palindrome (3279669723).

The spelling of 1165514112 in words is "one billion, one hundred sixty-five million, five hundred fourteen thousand, one hundred twelve".