11057919 has 4 divisors (see below), whose sum is σ = 14743896. Its totient is φ = 7371944.

The previous prime is 11057909. The next prime is 11057927. The reversal of 11057919 is 91975011.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11057919 - 2¹⁵ = 11025151 is a prime.

It is a super-2 number, since 2×11057919² = 244555145221122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11057919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11057909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1842984 + ... + 1842989.

It is an arithmetic number, because the mean of its divisors is an integer number (3685974).

Almost surely, 2^11057919 is an apocalyptic number.

11057919 is a deficient number, since it is larger than the sum of its proper divisors (3685977).

11057919 is an equidigital number, since it uses as much as digits as its factorization.

11057919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3685976.

The product of its (nonzero) digits is 2835, while the sum is 33.

The square root of 11057919 is about 3325.3449445133. The cubic root of 11057919 is about 222.7876614311.

The spelling of 11057919 in words is "eleven million, fifty-seven thousand, nine hundred nineteen".