11057649 has 4 divisors (see below), whose sum is σ = 14743536. Its totient is φ = 7371764.

The previous prime is 11057647. The next prime is 11057689. The reversal of 11057649 is 94675011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94675011 = 3 ⋅31558337.

It is a cyclic number.

It is not a de Polignac number, because 11057649 - 2¹ = 11057647 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11057647) by changing a digit.

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, 1842939 + ... + 1842944.

It is an arithmetic number, because the mean of its divisors is an integer number (3685884).

Almost surely, 2^11057649 is an apocalyptic number.

It is an amenable number.

11057649 is a deficient number, since it is larger than the sum of its proper divisors (3685887).

11057649 is an equidigital number, since it uses as much as digits as its factorization.

11057649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3685886.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 11057649 is about 3325.3043469734. The cubic root of 11057649 is about 222.7858481557.

The spelling of 11057649 in words is "eleven million, fifty-seven thousand, six hundred forty-nine".