11057530 has 16 divisors (see below), whose sum is σ = 21713184. Its totient is φ = 4020880.

The previous prime is 11057513. The next prime is 11057533. The reversal of 11057530 is 3575011.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (11057533) 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, 50152 + ... + 50371.

It is an arithmetic number, because the mean of its divisors is an integer number (1357074).

Almost surely, 2^11057530 is an apocalyptic number.

11057530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11057530 is a deficient number, since it is larger than the sum of its proper divisors (10655654).

11057530 is a wasteful number, since it uses less digits than its factorization.

11057530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100541.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 11057530 is about 3325.2864538262. The cubic root of 11057530 is about 222.7850489620.

The spelling of 11057530 in words is "eleven million, fifty-seven thousand, five hundred thirty".