1165155652 has 6 divisors (see below), whose sum is σ = 2039022398. Its totient is φ = 582577824.

The previous prime is 1165155647. The next prime is 1165155679. The reversal of 1165155652 is 2565515611.

It can be written as a sum of positive squares in only one way, i.e., 1089396036 + 75759616 = 33006^2 + 8704^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 145644453 + ... + 145644460.

Almost surely, 2^1165155652 is an apocalyptic number.

It is an amenable number.

1165155652 is a deficient number, since it is larger than the sum of its proper divisors (873866746).

1165155652 is a wasteful number, since it uses less digits than its factorization.

1165155652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291288917 (or 291288915 counting only the distinct ones).

The product of its digits is 45000, while the sum is 37.

The square root of 1165155652 is about 34134.3763968232. The cubic root of 1165155652 is about 1052.2719217366.

The spelling of 1165155652 in words is "one billion, one hundred sixty-five million, one hundred fifty-five thousand, six hundred fifty-two".