1151332543 has 8 divisors (see below), whose sum is σ = 1155686400. Its totient is φ = 1146987768.

The previous prime is 1151332541. The next prime is 1151332561. The reversal of 1151332543 is 3452331511.

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 1151332543 - 2¹ = 1151332541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151332541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342730 + ... + 346072.

It is an arithmetic number, because the mean of its divisors is an integer number (144460800).

Almost surely, 2^1151332543 is an apocalyptic number.

1151332543 is a deficient number, since it is larger than the sum of its proper divisors (4353857).

1151332543 is an equidigital number, since it uses as much as digits as its factorization.

1151332543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4541.

The product of its digits is 5400, while the sum is 28.

The square root of 1151332543 is about 33931.2915020929. The cubic root of 1151332543 is about 1048.0940611411.

The spelling of 1151332543 in words is "one billion, one hundred fifty-one million, three hundred thirty-two thousand, five hundred forty-three".