11064551011 has 4 divisors (see below), whose sum is σ = 11065652224. Its totient is φ = 11063449800.

The previous prime is 11064550999. The next prime is 11064551021. The reversal of 11064551011 is 11015546011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11064551011 - 2¹⁵ = 11064518243 is a prime.

It is a super-2 number, since 2×11064551011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11064551021) 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, 535395 + ... + 555676.

It is an arithmetic number, because the mean of its divisors is an integer number (2766413056).

Almost surely, 2^11064551011 is an apocalyptic number.

11064551011 is a deficient number, since it is larger than the sum of its proper divisors (1101213).

11064551011 is a wasteful number, since it uses less digits than its factorization.

11064551011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101212.

The product of its (nonzero) digits is 600, while the sum is 25.

The spelling of 11064551011 in words is "eleven billion, sixty-four million, five hundred fifty-one thousand, eleven".