11603427703 has 6 divisors (see below), whose sum is σ = 13497864936. Its totient is φ = 9945795132.

The previous prime is 11603427679. The next prime is 11603427733. The reversal of 11603427703 is 30772430611.

It is not a de Polignac number, because 11603427703 - 2²¹ = 11601330551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11603427733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 118402275 + ... + 118402372.

It is an arithmetic number, because the mean of its divisors is an integer number (2249644156).

Almost surely, 2^11603427703 is an apocalyptic number.

11603427703 is a deficient number, since it is larger than the sum of its proper divisors (1894437233).

11603427703 is an equidigital number, since it uses as much as digits as its factorization.

11603427703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236804661 (or 236804654 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The spelling of 11603427703 in words is "eleven billion, six hundred three million, four hundred twenty-seven thousand, seven hundred three".