13211603603 has 32 divisors (see below), whose sum is σ = 14929367040. Its totient is φ = 11588290560.

The previous prime is 13211603593. The next prime is 13211603609. The reversal of 13211603603 is 30630611231.

It is not a de Polignac number, because 13211603603 - 2¹² = 13211599507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13211603609) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23218703 + ... + 23219271.

It is an arithmetic number, because the mean of its divisors is an integer number (466542720).

Almost surely, 2^13211603603 is an apocalyptic number.

13211603603 is a deficient number, since it is larger than the sum of its proper divisors (1717763437).

13211603603 is a wasteful number, since it uses less digits than its factorization.

13211603603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1187.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 13211603603 in words is "thirteen billion, two hundred eleven million, six hundred three thousand, six hundred three".