11359531 has 2 divisors, whose sum is σ = 11359532. Its totient is φ = 11359530.

The previous prime is 11359499. The next prime is 11359559. The reversal of 11359531 is 13595311.

It is an a-pointer prime, because the next prime (11359559) can be obtained adding 11359531 to its sum of digits (28).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11359531 - 2⁵ = 11359499 is a prime.

It is a super-2 number, since 2×11359531² = 258077889079922, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11359531.

It is not a weakly prime, because it can be changed into another prime (11359591) 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 as a sum of consecutive naturals, namely, 5679765 + 5679766.

It is an arithmetic number, because the mean of its divisors is an integer number (5679766).

Almost surely, 2^11359531 is an apocalyptic number.

11359531 is a deficient number, since it is larger than the sum of its proper divisors (1).

11359531 is an equidigital number, since it uses as much as digits as its factorization.

11359531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2025, while the sum is 28.

The square root of 11359531 is about 3370.3903334777. The cubic root of 11359531 is about 224.7950792669.

The spelling of 11359531 in words is "eleven million, three hundred fifty-nine thousand, five hundred thirty-one".