11203230535 has 32 divisors (see below), whose sum is σ = 15742628352. Its totient is φ = 7493592960.

The previous prime is 11203230499. The next prime is 11203230539. The reversal of 11203230535 is 53503230211.

It is not a de Polignac number, because 11203230535 - 2⁹ = 11203230023 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 (11203230539) 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, 1231072 + ... + 1240138.

It is an arithmetic number, because the mean of its divisors is an integer number (491957136).

Almost surely, 2^11203230535 is an apocalyptic number.

11203230535 is a deficient number, since it is larger than the sum of its proper divisors (4539397817).

11203230535 is an equidigital number, since it uses as much as digits as its factorization.

11203230535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9943.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 11203230535 its reverse (53503230211), we get a palindrome (64706460746).

The spelling of 11203230535 in words is "eleven billion, two hundred three million, two hundred thirty thousand, five hundred thirty-five".