1151534543 has 2 divisors, whose sum is σ = 1151534544. Its totient is φ = 1151534542.

The previous prime is 1151534513. The next prime is 1151534597. The reversal of 1151534543 is 3454351511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1151534543 - 2²² = 1147340239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151534513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575767271 + 575767272.

It is an arithmetic number, because the mean of its divisors is an integer number (575767272).

Almost surely, 2^1151534543 is an apocalyptic number.

1151534543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151534543 is an equidigital number, since it uses as much as digits as its factorization.

1151534543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18000, while the sum is 32.

The square root of 1151534543 is about 33934.2679750131. The cubic root of 1151534543 is about 1048.1553531982.

The spelling of 1151534543 in words is "one billion, one hundred fifty-one million, five hundred thirty-four thousand, five hundred forty-three".