11205650603 has 12 divisors (see below), whose sum is σ = 13038134400. Its totient is φ = 9602640432.

The previous prime is 11205650581. The next prime is 11205650611. The reversal of 11205650603 is 30605650211.

It is not a de Polignac number, because 11205650603 - 2²⁸ = 10937215147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11205650633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 211325 + ... + 258977.

It is an arithmetic number, because the mean of its divisors is an integer number (1086511200).

Almost surely, 2^11205650603 is an apocalyptic number.

11205650603 is a deficient number, since it is larger than the sum of its proper divisors (1832483797).

11205650603 is an equidigital number, since it uses as much as digits as its factorization.

11205650603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52466 (or 52459 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 11205650603 in words is "eleven billion, two hundred five million, six hundred fifty thousand, six hundred three".