11131751 has 2 divisors, whose sum is σ = 11131752. Its totient is φ = 11131750.

The previous prime is 11131741. The next prime is 11131789. The reversal of 11131751 is 15713111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11131751 - 2¹⁰ = 11130727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11131721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565875 + 5565876.

It is an arithmetic number, because the mean of its divisors is an integer number (5565876).

Almost surely, 2^11131751 is an apocalyptic number.

11131751 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131751 is an equidigital number, since it uses as much as digits as its factorization.

11131751 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105, while the sum is 20.

The square root of 11131751 is about 3336.4278802336. The cubic root of 11131751 is about 223.2824014448.

Adding to 11131751 its reverse (15713111), we get a palindrome (26844862).

The spelling of 11131751 in words is "eleven million, one hundred thirty-one thousand, seven hundred fifty-one".