1151040203 has 2 divisors, whose sum is σ = 1151040204. Its totient is φ = 1151040202.

The previous prime is 1151040193. The next prime is 1151040257. The reversal of 1151040203 is 3020401511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1151040203 - 2⁸ = 1151039947 is a prime.

It is not a weakly prime, because it can be changed into another prime (1151040283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575520101 + 575520102.

It is an arithmetic number, because the mean of its divisors is an integer number (575520102).

Almost surely, 2^1151040203 is an apocalyptic number.

1151040203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151040203 is an equidigital number, since it uses as much as digits as its factorization.

1151040203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1151040203 is about 33926.9834055431. The cubic root of 1151040203 is about 1048.0053448803.

Adding to 1151040203 its reverse (3020401511), we get a palindrome (4171441714).

The spelling of 1151040203 in words is "one billion, one hundred fifty-one million, forty thousand, two hundred three".