11055513 has 8 divisors (see below), whose sum is σ = 16846528. Its totient is φ = 6317424.

The previous prime is 11055509. The next prime is 11055523. The reversal of 11055513 is 31555011.

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

It is not a de Polignac number, because 11055513 - 2² = 11055509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 526453 = 11055513 / (1 + 1 + 0 + 5 + 5 + 5 + 1 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11055513.

It is not an unprimeable number, because it can be changed into a prime (11055523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263206 + ... + 263247.

It is an arithmetic number, because the mean of its divisors is an integer number (2105816).

Almost surely, 2^11055513 is an apocalyptic number.

It is an amenable number.

11055513 is a deficient number, since it is larger than the sum of its proper divisors (5791015).

11055513 is an equidigital number, since it uses as much as digits as its factorization.

11055513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526463.

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

The square root of 11055513 is about 3324.9831578521. The cubic root of 11055513 is about 222.7715020918.

The spelling of 11055513 in words is "eleven million, fifty-five thousand, five hundred thirteen".