11673402603 has 8 divisors (see below), whose sum is σ = 15739419600. Its totient is φ = 7694827008.

The previous prime is 11673402599. The next prime is 11673402661. The reversal of 11673402603 is 30620437611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11673402603 - 2² = 11673402599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11673402203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21860038 + ... + 21860571.

It is an arithmetic number, because the mean of its divisors is an integer number (1967427450).

Almost surely, 2^11673402603 is an apocalyptic number.

11673402603 is a deficient number, since it is larger than the sum of its proper divisors (4066016997).

11673402603 is an equidigital number, since it uses as much as digits as its factorization.

11673402603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43720701.

The product of its (nonzero) digits is 18144, while the sum is 33.

The spelling of 11673402603 in words is "eleven billion, six hundred seventy-three million, four hundred two thousand, six hundred three".