1151225443 has 2 divisors, whose sum is σ = 1151225444. Its totient is φ = 1151225442.

The previous prime is 1151225419. The next prime is 1151225459. The reversal of 1151225443 is 3445221511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1151225443 - 2⁹ = 1151224931 is a prime.

It is a super-2 number, since 2×1151225443² = 2650640041221092498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1151225743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575612721 + 575612722.

It is an arithmetic number, because the mean of its divisors is an integer number (575612722).

Almost surely, 2^1151225443 is an apocalyptic number.

1151225443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151225443 is an equidigital number, since it uses as much as digits as its factorization.

1151225443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4800, while the sum is 28.

The square root of 1151225443 is about 33929.7132761242. The cubic root of 1151225443 is about 1048.0615613056.

Adding to 1151225443 its reverse (3445221511), we get a palindrome (4596446954).

The spelling of 1151225443 in words is "one billion, one hundred fifty-one million, two hundred twenty-five thousand, four hundred forty-three".