1151204443 has 2 divisors, whose sum is σ = 1151204444. Its totient is φ = 1151204442.

The previous prime is 1151204423. The next prime is 1151204459. The reversal of 1151204443 is 3444021511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1151204443 is a prime.

It is not a weakly prime, because it can be changed into another prime (1151204413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575602221 + 575602222.

It is an arithmetic number, because the mean of its divisors is an integer number (575602222).

Almost surely, 2^1151204443 is an apocalyptic number.

1151204443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151204443 is an equidigital number, since it uses as much as digits as its factorization.

1151204443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1151204443 is about 33929.4038114435. The cubic root of 1151204443 is about 1048.0551885525.

Adding to 1151204443 its reverse (3444021511), we get a palindrome (4595225954).

The spelling of 1151204443 in words is "one billion, one hundred fifty-one million, two hundred four thousand, four hundred forty-three".