11057308238 has 4 divisors (see below), whose sum is σ = 16585962360. Its totient is φ = 5528654118.

The previous prime is 11057308201. The next prime is 11057308279. The reversal of 11057308238 is 83280375011.

It is a happy number.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 2764327058 + ... + 2764327061.

It is an arithmetic number, because the mean of its divisors is an integer number (4146490590).

Almost surely, 2^11057308238 is an apocalyptic number.

11057308238 is a deficient number, since it is larger than the sum of its proper divisors (5528654122).

11057308238 is an equidigital number, since it uses as much as digits as its factorization.

11057308238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5528654121.

The product of its (nonzero) digits is 40320, while the sum is 38.

The spelling of 11057308238 in words is "eleven billion, fifty-seven million, three hundred eight thousand, two hundred thirty-eight".