11081560279 has 16 divisors (see below), whose sum is σ = 12005055360. Its totient is φ = 10189903360.

The previous prime is 11081560249. The next prime is 11081560283. The reversal of 11081560279 is 97206518011.

It is a happy number.

It is not a de Polignac number, because 11081560279 - 2⁹ = 11081559767 is a prime.

It is a super-2 number, since 2×11081560279² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11081560249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189609 + ... + 241069.

It is an arithmetic number, because the mean of its divisors is an integer number (750315960).

Almost surely, 2^11081560279 is an apocalyptic number.

11081560279 is a deficient number, since it is larger than the sum of its proper divisors (923495081).

11081560279 is a wasteful number, since it uses less digits than its factorization.

11081560279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51770.

The product of its (nonzero) digits is 30240, while the sum is 40.

The spelling of 11081560279 in words is "eleven billion, eighty-one million, five hundred sixty thousand, two hundred seventy-nine".