11480531 has 2 divisors, whose sum is σ = 11480532. Its totient is φ = 11480530.

The previous prime is 11480507. The next prime is 11480543. The reversal of 11480531 is 13508411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11480531 - 2⁶ = 11480467 is a prime.

It is a super-2 number, since 2×11480531² = 263605184083922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11480497 and 11480506.

It is not a weakly prime, because it can be changed into another prime (11480551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5740265 + 5740266.

It is an arithmetic number, because the mean of its divisors is an integer number (5740266).

Almost surely, 2^11480531 is an apocalyptic number.

11480531 is a deficient number, since it is larger than the sum of its proper divisors (1).

11480531 is an equidigital number, since it uses as much as digits as its factorization.

11480531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 11480531 is about 3388.2932281608. The cubic root of 11480531 is about 225.5904229772.

Adding to 11480531 its reverse (13508411), we get a palindrome (24988942).

The spelling of 11480531 in words is "eleven million, four hundred eighty thousand, five hundred thirty-one".