11205057 has 8 divisors (see below), whose sum is σ = 15818976. Its totient is φ = 7030592.

The previous prime is 11205031. The next prime is 11205059. The reversal of 11205057 is 75050211.

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

It is a cyclic number.

It is not a de Polignac number, because 11205057 - 2⁶ = 11204993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11205059) 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 7 ways as a sum of consecutive naturals, for example, 109803 + ... + 109904.

It is an arithmetic number, because the mean of its divisors is an integer number (1977372).

Almost surely, 2^11205057 is an apocalyptic number.

11205057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11205057 is a deficient number, since it is larger than the sum of its proper divisors (4613919).

11205057 is a wasteful number, since it uses less digits than its factorization.

11205057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219727.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 11205057 is about 3347.3955547560. The cubic root of 11205057 is about 223.7714572184.

Adding to 11205057 its reverse (75050211), we get a palindrome (86255268).

The spelling of 11205057 in words is "eleven million, two hundred five thousand, fifty-seven".