1151332505 has 8 divisors (see below), whose sum is σ = 1441668672. Its totient is φ = 881019568.

The previous prime is 1151332477. The next prime is 1151332513. The reversal of 1151332505 is 5052331511.

It is a happy number.

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 1151332505 - 2²⁰ = 1150283929 is a prime.

It is a Duffinian 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, 5005679 + ... + 5005908.

It is an arithmetic number, because the mean of its divisors is an integer number (180208584).

Almost surely, 2^1151332505 is an apocalyptic number.

It is an amenable number.

1151332505 is a deficient number, since it is larger than the sum of its proper divisors (290336167).

1151332505 is a wasteful number, since it uses less digits than its factorization.

1151332505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10011615.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1151332505 is about 33931.2909421378. The cubic root of 1151332505 is about 1048.0940496103.

The spelling of 1151332505 in words is "one billion, one hundred fifty-one million, three hundred thirty-two thousand, five hundred five".