11380045 has 8 divisors (see below), whose sum is σ = 13708440. Its totient is φ = 9069120.

The previous prime is 11380037. The next prime is 11380073. The reversal of 11380045 is 54008311.

It can be written as a sum of positive squares in 4 ways, for example, as 660969 + 10719076 = 813^2 + 3274^2 .

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

It is not a de Polignac number, because 11380045 - 2³ = 11380037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11379998 and 11380025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2886 + ... + 5575.

It is an arithmetic number, because the mean of its divisors is an integer number (1713555).

Almost surely, 2^11380045 is an apocalyptic number.

It is an amenable number.

11380045 is a deficient number, since it is larger than the sum of its proper divisors (2328395).

11380045 is an equidigital number, since it uses as much as digits as its factorization.

11380045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8735.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 11380045 is about 3373.4322284581. The cubic root of 11380045 is about 224.9303158691.

Adding to 11380045 its reverse (54008311), we get a palindrome (65388356).

The spelling of 11380045 in words is "eleven million, three hundred eighty thousand, forty-five".