1165375132044 has 24 divisors (see below), whose sum is σ = 2746131502128. Its totient is φ = 384612254400.

The previous prime is 1165375132037. The next prime is 1165375132093. The reversal of 1165375132044 is 4402315735611.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1165375131987 and 1165375132005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 480764107 + ... + 480766530.

It is an arithmetic number, because the mean of its divisors is an integer number (114422145922).

Almost surely, 2^{1165375132044} is an apocalyptic number.

It is an amenable number.

1165375132044 is an abundant number, since it is smaller than the sum of its proper divisors (1580756370084).

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

1165375132044 is a wasteful number, since it uses less digits than its factorization.

1165375132044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961530745 (or 961530743 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 1165375132044 in words is "one trillion, one hundred sixty-five billion, three hundred seventy-five million, one hundred thirty-two thousand, forty-four".