11511001066 has 8 divisors (see below), whose sum is σ = 17271380160. Its totient is φ = 5753874348.

The previous prime is 11511001063. The next prime is 11511001079. The reversal of 11511001066 is 66010011511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11511001063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804226 + ... + 818413.

It is an arithmetic number, because the mean of its divisors is an integer number (2158922520).

Almost surely, 2^11511001066 is an apocalyptic number.

11511001066 is a deficient number, since it is larger than the sum of its proper divisors (5760379094).

11511001066 is a wasteful number, since it uses less digits than its factorization.

11511001066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626188.

The product of its (nonzero) digits is 180, while the sum is 22.

Adding to 11511001066 its reverse (66010011511), we get a palindrome (77521012577).

The spelling of 11511001066 in words is "eleven billion, five hundred eleven million, one thousand, sixty-six".