1153173803 has 2 divisors, whose sum is σ = 1153173804. Its totient is φ = 1153173802.

The previous prime is 1153173797. The next prime is 1153173881. The reversal of 1153173803 is 3083713511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1153173803 - 2⁴ = 1153173787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1153173803.

It is not a weakly prime, because it can be changed into another prime (1153173883) 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, 576586901 + 576586902.

It is an arithmetic number, because the mean of its divisors is an integer number (576586902).

Almost surely, 2^1153173803 is an apocalyptic number.

1153173803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1153173803 is an equidigital number, since it uses as much as digits as its factorization.

1153173803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1153173803 is about 33958.4128457147. The cubic root of 1153173803 is about 1048.6524824386.

The spelling of 1153173803 in words is "one billion, one hundred fifty-three million, one hundred seventy-three thousand, eight hundred three".