1151103403 has 2 divisors, whose sum is σ = 1151103404. Its totient is φ = 1151103402.

The previous prime is 1151103307. The next prime is 1151103427. The reversal of 1151103403 is 3043011511.

It is a strong prime.

It is an emirp because it is prime and its reverse (3043011511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1151103403 is a prime.

It is not a weakly prime, because it can be changed into another prime (1151103203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 575551701 + 575551702.

It is an arithmetic number, because the mean of its divisors is an integer number (575551702).

Almost surely, 2^1151103403 is an apocalyptic number.

1151103403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1151103403 is an equidigital number, since it uses as much as digits as its factorization.

1151103403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1151103403 is about 33927.9148047740. The cubic root of 1151103403 is about 1048.0245254225.

Adding to 1151103403 its reverse (3043011511), we get a palindrome (4194114914).

The spelling of 1151103403 in words is "one billion, one hundred fifty-one million, one hundred three thousand, four hundred three".