11057508 has 72 divisors (see below), whose sum is σ = 34856640. Its totient is φ = 2871360.

The previous prime is 11057489. The next prime is 11057513. The reversal of 11057508 is 80575011.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 778 + ... + 4766.

It is an arithmetic number, because the mean of its divisors is an integer number (484120).

Almost surely, 2^11057508 is an apocalyptic number.

11057508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11057508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17428320).

11057508 is an abundant number, since it is smaller than the sum of its proper divisors (23799132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11057508 is a wasteful number, since it uses less digits than its factorization.

11057508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017 (or 4012 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 27.

The square root of 11057508 is about 3325.2831458389. The cubic root of 11057508 is about 222.7849012112.

The spelling of 11057508 in words is "eleven million, fifty-seven thousand, five hundred eight".