11055131 has 8 divisors (see below), whose sum is σ = 11668800. Its totient is φ = 10444680.

The previous prime is 11055113. The next prime is 11055137. The reversal of 11055131 is 13155011.

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

It is not a de Polignac number, because 11055131 - 2¹⁸ = 10792987 is a prime.

It is a super-3 number, since 3×11055131³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11055137) 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, 10340 + ... + 11358.

It is an arithmetic number, because the mean of its divisors is an integer number (1458600).

Almost surely, 2^11055131 is an apocalyptic number.

11055131 is a deficient number, since it is larger than the sum of its proper divisors (613669).

11055131 is a wasteful number, since it uses less digits than its factorization.

11055131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609.

The product of its (nonzero) digits is 75, while the sum is 17.

The square root of 11055131 is about 3324.9257134559. The cubic root of 11055131 is about 222.7689362620.

The spelling of 11055131 in words is "eleven million, fifty-five thousand, one hundred thirty-one".