11057638 has 8 divisors (see below), whose sum is σ = 17121600. Its totient is φ = 5350440.

The previous prime is 11057623. The next prime is 11057647. The reversal of 11057638 is 83675011.

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

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 89113 + ... + 89236.

It is an arithmetic number, because the mean of its divisors is an integer number (2140200).

Almost surely, 2^11057638 is an apocalyptic number.

11057638 is a deficient number, since it is larger than the sum of its proper divisors (6063962).

11057638 is a wasteful number, since it uses less digits than its factorization.

11057638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178382.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 11057638 is about 3325.3026929890. The cubic root of 11057638 is about 222.7857742809.

The spelling of 11057638 in words is "eleven million, fifty-seven thousand, six hundred thirty-eight".