11072505 has 16 divisors (see below), whose sum is σ = 17772480. Its totient is φ = 5886528.

The previous prime is 11072483. The next prime is 11072507. The reversal of 11072505 is 50527011.

It is not a de Polignac number, because 11072505 - 2⁵ = 11072473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11072507) 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, 4606 + ... + 6584.

It is an arithmetic number, because the mean of its divisors is an integer number (1110780).

Almost surely, 2^11072505 is an apocalyptic number.

11072505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11072505 is a deficient number, since it is larger than the sum of its proper divisors (6699975).

11072505 is a wasteful number, since it uses less digits than its factorization.

11072505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2360.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 11072505 is about 3327.5373777014. The cubic root of 11072505 is about 222.8855747632.

Adding to 11072505 its reverse (50527011), we get a palindrome (61599516).

The spelling of 11072505 in words is "eleven million, seventy-two thousand, five hundred five".