11072331 has 12 divisors (see below), whose sum is σ = 16058952. Its totient is φ = 7351296.

The previous prime is 11072317. The next prime is 11072333. The reversal of 11072331 is 13327011.

It is a de Polignac number, because none of the positive numbers 2^k-11072331 is a prime.

It is a super-2 number, since 2×11072331² = 245193027547122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11072333) 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 11 ways as a sum of consecutive naturals, for example, 81 + ... + 4706.

It is an arithmetic number, because the mean of its divisors is an integer number (1338246).

Almost surely, 2^11072331 is an apocalyptic number.

11072331 is a deficient number, since it is larger than the sum of its proper divisors (4986621).

11072331 is a wasteful number, since it uses less digits than its factorization.

11072331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5050 (or 5047 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

The square root of 11072331 is about 3327.5112321373. The cubic root of 11072331 is about 222.8844072377.

Adding to 11072331 its reverse (13327011), we get a palindrome (24399342).

The spelling of 11072331 in words is "eleven million, seventy-two thousand, three hundred thirty-one".