11057930 has 16 divisors (see below), whose sum is σ = 21435624. Its totient is φ = 4082880.

The previous prime is 11057929. The next prime is 11057933. The reversal of 11057930 is 3975011.

It can be written as a sum of positive squares in 4 ways, for example, as 9591409 + 1466521 = 3097^2 + 1211^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 11057930.

It is not an unprimeable number, because it can be changed into a prime (11057933) 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, 42401 + ... + 42660.

Almost surely, 2^11057930 is an apocalyptic number.

11057930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11057930 is a deficient number, since it is larger than the sum of its proper divisors (10377694).

11057930 is a wasteful number, since it uses less digits than its factorization.

11057930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85081.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 11057930 is about 3325.3465984766. The cubic root of 11057930 is about 222.7877353047.

The spelling of 11057930 in words is "eleven million, fifty-seven thousand, nine hundred thirty".