11511046206 has 24 divisors (see below), whose sum is σ = 27207927864. Its totient is φ = 3488195760.

The previous prime is 11511046189. The next prime is 11511046223. The reversal of 11511046206 is 60264011511.

It is an interprime number because it is at equal distance from previous prime (11511046189) and next prime (11511046223).

It is a self number, because there is not a number n which added to its sum of digits gives 11511046206.

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, 29068101 + ... + 29068496.

It is an arithmetic number, because the mean of its divisors is an integer number (1133663661).

Almost surely, 2^11511046206 is an apocalyptic number.

11511046206 is an abundant number, since it is smaller than the sum of its proper divisors (15696881658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11511046206 is a wasteful number, since it uses less digits than its factorization.

11511046206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58136616 (or 58136613 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 11511046206 its reverse (60264011511), we get a palindrome (71775057717).

The spelling of 11511046206 in words is "eleven billion, five hundred eleven million, forty-six thousand, two hundred six".