1165141131216 has 20 divisors (see below), whose sum is σ = 3009947922432. Its totient is φ = 388380377056.

The previous prime is 1165141131197. The next prime is 1165141131269. The reversal of 1165141131216 is 6121311415611.

It is a happy number.

It is a super-3 number, since 3×1165141131216³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12136886736 + ... + 12136886831.

Almost surely, 2^{1165141131216} is an apocalyptic number.

1165141131216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1165141131216 is an abundant number, since it is smaller than the sum of its proper divisors (1844806791216).

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

1165141131216 is a wasteful number, since it uses less digits than its factorization.

1165141131216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24273773578 (or 24273773572 counting only the distinct ones).

The product of its digits is 4320, while the sum is 33.

Adding to 1165141131216 its reverse (6121311415611), we get a palindrome (7286452546827).

The spelling of 1165141131216 in words is "one trillion, one hundred sixty-five billion, one hundred forty-one million, one hundred thirty-one thousand, two hundred sixteen".