11055531 has 8 divisors (see below), whose sum is σ = 14757840. Its totient is φ = 7361792.

The previous prime is 11055529. The next prime is 11055533. The reversal of 11055531 is 13555011.

11055531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11055529) and next prime (11055533).

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

It is a cyclic number.

It is not a de Polignac number, because 11055531 - 2¹ = 11055529 is a prime.

It is a super-2 number, since 2×11055531² = 244449531383922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11055498 and 11055507.

It is not an unprimeable number, because it can be changed into a prime (11055533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035 + ... + 5123.

It is an arithmetic number, because the mean of its divisors is an integer number (1844730).

Almost surely, 2^11055531 is an apocalyptic number.

11055531 is a deficient number, since it is larger than the sum of its proper divisors (3702309).

11055531 is a wasteful number, since it uses less digits than its factorization.

11055531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285.

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 11055531 is about 3324.9858646316. The cubic root of 11055531 is about 222.7716229934.

The spelling of 11055531 in words is "eleven million, fifty-five thousand, five hundred thirty-one".