11085531 has 8 divisors (see below), whose sum is σ = 15558720. Its totient is φ = 7001352.

The previous prime is 11085527. The next prime is 11085541. The reversal of 11085531 is 13558011.

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

It is not a de Polignac number, because 11085531 - 2² = 11085527 is a prime.

It is a super-2 number, since 2×11085531² = 245777995103922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11085541) 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 in 7 ways as a sum of consecutive naturals, for example, 97185 + ... + 97298.

It is an arithmetic number, because the mean of its divisors is an integer number (1944840).

Almost surely, 2^11085531 is an apocalyptic number.

11085531 is a deficient number, since it is larger than the sum of its proper divisors (4473189).

11085531 is a wasteful number, since it uses less digits than its factorization.

11085531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194505.

The product of its (nonzero) digits is 600, while the sum is 24.

The square root of 11085531 is about 3329.4941057164. The cubic root of 11085531 is about 222.9729434218.

The spelling of 11085531 in words is "eleven million, eighty-five thousand, five hundred thirty-one".