11081319290 has 8 divisors (see below), whose sum is σ = 19946374740. Its totient is φ = 4432527712.

The previous prime is 11081319229. The next prime is 11081319299. The reversal of 11081319290 is 9291318011.

It can be written as a sum of positive squares in 2 ways, for example, as 10156003729 + 925315561 = 100777^2 + 30419^2 .

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

It is a super-2 number, since 2×11081319290² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11081319290.

It is not an unprimeable number, because it can be changed into a prime (11081319299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554065955 + ... + 554065974.

Almost surely, 2^11081319290 is an apocalyptic number.

11081319290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11081319290 is a deficient number, since it is larger than the sum of its proper divisors (8865055450).

11081319290 is a wasteful number, since it uses less digits than its factorization.

11081319290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108131936.

The product of its (nonzero) digits is 3888, while the sum is 35.

The spelling of 11081319290 in words is "eleven billion, eighty-one million, three hundred nineteen thousand, two hundred ninety".