1151645503 has 2 divisors, whose sum is σ = 1151645504. Its totient is φ = 1151645502.

The previous prime is 1151645491. The next prime is 1151645519. The reversal of 1151645503 is 3055461511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1151645503 - 2⁵ = 1151645471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1151645543) 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, 575822751 + 575822752.

It is an arithmetic number, because the mean of its divisors is an integer number (575822752).

Almost surely, 2^1151645503 is an apocalyptic number.

1151645503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151645503 is an equidigital number, since it uses as much as digits as its factorization.

1151645503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 1151645503 is about 33935.9028611292. The cubic root of 1151645503 is about 1048.1890182999.

The spelling of 1151645503 in words is "one billion, one hundred fifty-one million, six hundred forty-five thousand, five hundred three".