11078531 has 2 divisors, whose sum is σ = 11078532. Its totient is φ = 11078530.

The previous prime is 11078527. The next prime is 11078579. The reversal of 11078531 is 13587011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11078531 - 2² = 11078527 is a prime.

It is a super-2 number, since 2×11078531² = 245467698235922, which contains 22 as substring.

It is a Sophie Germain prime.

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 11078531.

It is not a weakly prime, because it can be changed into another prime (11078521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5539265 + 5539266.

It is an arithmetic number, because the mean of its divisors is an integer number (5539266).

Almost surely, 2^11078531 is an apocalyptic number.

11078531 is a deficient number, since it is larger than the sum of its proper divisors (1).

11078531 is an equidigital number, since it uses as much as digits as its factorization.

11078531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 26.

The square root of 11078531 is about 3328.4427289650. The cubic root of 11078531 is about 222.9260011735.

The spelling of 11078531 in words is "eleven million, seventy-eight thousand, five hundred thirty-one".