1128165503 has 2 divisors, whose sum is σ = 1128165504. Its totient is φ = 1128165502.

The previous prime is 1128165457. The next prime is 1128165539. The reversal of 1128165503 is 3055618211.

It is a strong prime.

It is an emirp because it is prime and its reverse (3055618211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1128165503 - 2⁶ = 1128165439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1128165503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1128165593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 564082751 + 564082752.

It is an arithmetic number, because the mean of its divisors is an integer number (564082752).

Almost surely, 2^1128165503 is an apocalyptic number.

1128165503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1128165503 is an equidigital number, since it uses as much as digits as its factorization.

1128165503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 1128165503 is about 33588.1750471799. The cubic root of 1128165503 is about 1041.0164812190.

The spelling of 1128165503 in words is "one billion, one hundred twenty-eight million, one hundred sixty-five thousand, five hundred three".