1152115765 has 8 divisors (see below), whose sum is σ = 1383500448. Its totient is φ = 921051600.

The previous prime is 1152115751. The next prime is 1152115801. The reversal of 1152115765 is 5675112511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1152115765 - 2⁷ = 1152115637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1152115765.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72147 + ... + 86656.

It is an arithmetic number, because the mean of its divisors is an integer number (172937556).

Almost surely, 2^1152115765 is an apocalyptic number.

It is an amenable number.

1152115765 is a deficient number, since it is larger than the sum of its proper divisors (231384683).

1152115765 is a wasteful number, since it uses less digits than its factorization.

1152115765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160259.

The product of its digits is 10500, while the sum is 34.

The square root of 1152115765 is about 33942.8308336238. The cubic root of 1152115765 is about 1048.3316711055.

The spelling of 1152115765 in words is "one billion, one hundred fifty-two million, one hundred fifteen thousand, seven hundred sixty-five".