11131071 has 8 divisors (see below), whose sum is σ = 16961664. Its totient is φ = 6360600.

The previous prime is 11131069. The next prime is 11131079. The reversal of 11131071 is 17013111.

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

It is not a de Polignac number, because 11131071 - 2¹ = 11131069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11131071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131079) 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, 265005 + ... + 265046.

It is an arithmetic number, because the mean of its divisors is an integer number (2120208).

Almost surely, 2^11131071 is an apocalyptic number.

11131071 is a deficient number, since it is larger than the sum of its proper divisors (5830593).

11131071 is an equidigital number, since it uses as much as digits as its factorization.

11131071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530061.

The product of its (nonzero) digits is 21, while the sum is 15.

The square root of 11131071 is about 3336.3259732826. The cubic root of 11131071 is about 223.2778548368.

Adding to 11131071 its reverse (17013111), we get a palindrome (28144182).

The spelling of 11131071 in words is "eleven million, one hundred thirty-one thousand, seventy-one".