11520060011 has 4 divisors (see below), whose sum is σ = 11597376000. Its totient is φ = 11442744024.

The previous prime is 11520060007. The next prime is 11520060049. The reversal of 11520060011 is 11006002511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11006002511 = 7 ⋅1572286073.

It is a cyclic number.

It is not a de Polignac number, because 11520060011 - 2² = 11520060007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11520060061) 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, 38657771 + ... + 38658068.

It is an arithmetic number, because the mean of its divisors is an integer number (2899344000).

Almost surely, 2^11520060011 is an apocalyptic number.

11520060011 is a deficient number, since it is larger than the sum of its proper divisors (77315989).

11520060011 is an equidigital number, since it uses as much as digits as its factorization.

11520060011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77315988.

The product of its (nonzero) digits is 60, while the sum is 17.

Adding to 11520060011 its reverse (11006002511), we get a palindrome (22526062522).

The spelling of 11520060011 in words is "eleven billion, five hundred twenty million, sixty thousand, eleven".