11082181345 has 8 divisors (see below), whose sum is σ = 13356691560. Its totient is φ = 8827029120.

The previous prime is 11082181343. The next prime is 11082181349. The reversal of 11082181345 is 54318128011.

It can be written as a sum of positive squares in 4 ways, for example, as 1014868449 + 10067312896 = 31857^2 + 100336^2 .

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

It is not a de Polignac number, because 11082181345 - 2¹ = 11082181343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11082181345.

It is not an unprimeable number, because it can be changed into a prime (11082181343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4838236 + ... + 4840525.

It is an arithmetic number, because the mean of its divisors is an integer number (1669586445).

Almost surely, 2^11082181345 is an apocalyptic number.

It is an amenable number.

11082181345 is a deficient number, since it is larger than the sum of its proper divisors (2274510215).

11082181345 is an equidigital number, since it uses as much as digits as its factorization.

11082181345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9678995.

The product of its (nonzero) digits is 7680, while the sum is 34.

The spelling of 11082181345 in words is "eleven billion, eighty-two million, one hundred eighty-one thousand, three hundred forty-five".