11535240206 has 16 divisors (see below), whose sum is σ = 19777691616. Its totient is φ = 4942925856.

The previous prime is 11535240203. The next prime is 11535240217. The reversal of 11535240206 is 60204253511.

It is a super-2 number, since 2×11535240206² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11535240203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39080 + ... + 156836.

It is an arithmetic number, because the mean of its divisors is an integer number (1236105726).

Almost surely, 2^11535240206 is an apocalyptic number.

11535240206 is a deficient number, since it is larger than the sum of its proper divisors (8242451410).

11535240206 is a wasteful number, since it uses less digits than its factorization.

11535240206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124763.

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 11535240206 its reverse (60204253511), we get a palindrome (71739493717).

The spelling of 11535240206 in words is "eleven billion, five hundred thirty-five million, two hundred forty thousand, two hundred six".