11156057 has 8 divisors (see below), whose sum is σ = 12207360. Its totient is φ = 10110960.

The previous prime is 11156051. The next prime is 11156071. The reversal of 11156057 is 75065111.

11156057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11156057 - 2⁶ = 11155993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11156051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2744 + ... + 5462.

It is an arithmetic number, because the mean of its divisors is an integer number (1525920).

Almost surely, 2^11156057 is an apocalyptic number.

It is an amenable number.

11156057 is a deficient number, since it is larger than the sum of its proper divisors (1051303).

11156057 is a wasteful number, since it uses less digits than its factorization.

11156057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103.

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 11156057 is about 3340.0684124730. The cubic root of 11156057 is about 223.4447944902. Note that the first 3 decimals are identical.

The spelling of 11156057 in words is "eleven million, one hundred fifty-six thousand, fifty-seven".