1163004503 has 2 divisors, whose sum is σ = 1163004504. Its totient is φ = 1163004502.

The previous prime is 1163004481. The next prime is 1163004509. The reversal of 1163004503 is 3054003611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1163004503 - 2²² = 1158810199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1163004509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 581502251 + 581502252.

It is an arithmetic number, because the mean of its divisors is an integer number (581502252).

Almost surely, 2^1163004503 is an apocalyptic number.

1163004503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1163004503 is an equidigital number, since it uses as much as digits as its factorization.

1163004503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1163004503 is about 34102.8518308953. The cubic root of 1163004503 is about 1051.6239430282.

The spelling of 1163004503 in words is "one billion, one hundred sixty-three million, four thousand, five hundred three".