11315445 has 16 divisors (see below), whose sum is σ = 18153600. Its totient is φ = 6018624.

The previous prime is 11315443. The next prime is 11315501. The reversal of 11315445 is 54451311.

It is a happy number.

It is not a de Polignac number, because 11315445 - 2¹ = 11315443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11315441) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6531 + ... + 8079.

It is an arithmetic number, because the mean of its divisors is an integer number (1134600).

Almost surely, 2^11315445 is an apocalyptic number.

11315445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11315445 is a deficient number, since it is larger than the sum of its proper divisors (6838155).

11315445 is a wasteful number, since it uses less digits than its factorization.

11315445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044.

The product of its digits is 1200, while the sum is 24.

The square root of 11315445 is about 3363.8437835310. The cubic root of 11315445 is about 224.5038945890.

Adding to 11315445 its reverse (54451311), we get a palindrome (65766756).

It can be divided in two parts, 1131 and 5445, that multiplied together give a triangular number (6158295 = T₃₅₀₉).

The spelling of 11315445 in words is "eleven million, three hundred fifteen thousand, four hundred forty-five".