1101013603 has 2 divisors, whose sum is σ = 1101013604. Its totient is φ = 1101013602.

The previous prime is 1101013559. The next prime is 1101013607. The reversal of 1101013603 is 3063101011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1101013603 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101013607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550506801 + 550506802.

It is an arithmetic number, because the mean of its divisors is an integer number (550506802).

Almost surely, 2^1101013603 is an apocalyptic number.

1101013603 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101013603 is an equidigital number, since it uses as much as digits as its factorization.

1101013603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 1101013603 is about 33181.5250252305. The cubic root of 1101013603 is about 1032.5970854581.

Adding to 1101013603 its reverse (3063101011), we get a palindrome (4164114614).

The spelling of 1101013603 in words is "one billion, one hundred one million, thirteen thousand, six hundred three".