1152011521 has 8 divisors (see below), whose sum is σ = 1179008640. Its totient is φ = 1125263568.

The previous prime is 1152011503. The next prime is 1152011537. The reversal of 1152011521 is 1251102511.

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

It is a cyclic number.

It is not a de Polignac number, because 1152011521 - 2⁵ = 1152011489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152011221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52921 + ... + 71446.

It is an arithmetic number, because the mean of its divisors is an integer number (147376080).

Almost surely, 2^1152011521 is an apocalyptic number.

It is an amenable number.

1152011521 is a deficient number, since it is larger than the sum of its proper divisors (26997119).

1152011521 is a wasteful number, since it uses less digits than its factorization.

1152011521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124583.

The product of its (nonzero) digits is 100, while the sum is 19.

The square root of 1152011521 is about 33941.2952168888. The cubic root of 1152011521 is about 1048.3000522971.

The spelling of 1152011521 in words is "one billion, one hundred fifty-two million, eleven thousand, five hundred twenty-one".