1165025044 has 12 divisors (see below), whose sum is σ = 2039536800. Its totient is φ = 582300248.

The previous prime is 1165025023. The next prime is 1165025083. The reversal of 1165025044 is 4405205611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40384 + ... + 62935.

It is an arithmetic number, because the mean of its divisors is an integer number (169961400).

Almost surely, 2^1165025044 is an apocalyptic number.

It is an amenable number.

1165025044 is a deficient number, since it is larger than the sum of its proper divisors (874511756).

1165025044 is a wasteful number, since it uses less digits than its factorization.

1165025044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106142 (or 106140 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1165025044 is about 34132.4631985446. The cubic root of 1165025044 is about 1052.2326021640.

The spelling of 1165025044 in words is "one billion, one hundred sixty-five million, twenty-five thousand, forty-four".