1115825803 has 2 divisors, whose sum is σ = 1115825804. Its totient is φ = 1115825802.

The previous prime is 1115825797. The next prime is 1115825807. The reversal of 1115825803 is 3085285111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1115825803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1115825807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557912901 + 557912902.

It is an arithmetic number, because the mean of its divisors is an integer number (557912902).

Almost surely, 2^1115825803 is an apocalyptic number.

1115825803 is a deficient number, since it is larger than the sum of its proper divisors (1).

1115825803 is an equidigital number, since it uses as much as digits as its factorization.

1115825803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 34.

The square root of 1115825803 is about 33403.9788498316. The cubic root of 1115825803 is about 1037.2070658546.

The spelling of 1115825803 in words is "one billion, one hundred fifteen million, eight hundred twenty-five thousand, eight hundred three".