1165353115044 has 48 divisors (see below), whose sum is σ = 2862849617600. Its totient is φ = 367931828736.

The previous prime is 1165353115021. The next prime is 1165353115049. The reversal of 1165353115044 is 4405113535611.

It is a junction number, because it is equal to n+sod(n) for n = 1165353114993 and 1165353115011.

It is not an unprimeable number, because it can be changed into a prime (1165353115049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618624 + ... + 1647240.

Almost surely, 2^{1165353115044} is an apocalyptic number.

It is an amenable number.

1165353115044 is an abundant number, since it is smaller than the sum of its proper divisors (1697496502556).

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

1165353115044 is a wasteful number, since it uses less digits than its factorization.

1165353115044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033612 (or 1033610 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 1165353115044 in words is "one trillion, one hundred sixty-five billion, three hundred fifty-three million, one hundred fifteen thousand, forty-four".