11203240575 has 12 divisors (see below), whose sum is σ = 18522691208. Its totient is φ = 5975061600.

The previous prime is 11203240561. The next prime is 11203240717. The reversal of 11203240575 is 57504230211.

It is not a de Polignac number, because 11203240575 - 2¹² = 11203236479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74688196 + ... + 74688345.

Almost surely, 2^11203240575 is an apocalyptic number.

11203240575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11203240575 is a deficient number, since it is larger than the sum of its proper divisors (7319450633).

11203240575 is a wasteful number, since it uses less digits than its factorization.

11203240575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149376554 (or 149376549 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

Adding to 11203240575 its reverse (57504230211), we get a palindrome (68707470786).

The spelling of 11203240575 in words is "eleven billion, two hundred three million, two hundred forty thousand, five hundred seventy-five".