11357857 has 12 divisors (see below), whose sum is σ = 13291716. Its totient is φ = 9676800.

The previous prime is 11357849. The next prime is 11357867. The reversal of 11357857 is 75875311.

11357857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 853776 + 10504081 = 924^2 + 3241^2 .

It is not a de Polignac number, because 11357857 - 2³ = 11357849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11357807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8857 + ... + 10057.

It is an arithmetic number, because the mean of its divisors is an integer number (1107643).

Almost surely, 2^11357857 is an apocalyptic number.

It is an amenable number.

11357857 is a deficient number, since it is larger than the sum of its proper divisors (1933859).

11357857 is a wasteful number, since it uses less digits than its factorization.

11357857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408 (or 1401 counting only the distinct ones).

The product of its digits is 29400, while the sum is 37.

The square root of 11357857 is about 3370.1419851395. The cubic root of 11357857 is about 224.7840363976.

It can be divided in two parts, 113 and 57857, that added together give a triangular number (57970 = T₃₄₀).

The spelling of 11357857 in words is "eleven million, three hundred fifty-seven thousand, eight hundred fifty-seven".