1165450144315 has 64 divisors (see below), whose sum is σ = 1489957742592. Its totient is φ = 873308620800.

The previous prime is 1165450144267. The next prime is 1165450144321. The reversal of 1165450144315 is 5134410545611.

It is not a de Polignac number, because 1165450144315 - 2¹¹ = 1165450142267 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1284950092 + ... + 1284950998.

It is an arithmetic number, because the mean of its divisors is an integer number (23280589728).

Almost surely, 2^{1165450144315} is an apocalyptic number.

1165450144315 is a deficient number, since it is larger than the sum of its proper divisors (324507598277).

1165450144315 is a wasteful number, since it uses less digits than its factorization.

1165450144315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900.

The product of its (nonzero) digits is 144000, while the sum is 40.

Adding to 1165450144315 its reverse (5134410545611), we get a palindrome (6299860689926).

The spelling of 1165450144315 in words is "one trillion, one hundred sixty-five billion, four hundred fifty million, one hundred forty-four thousand, three hundred fifteen".