11372857 has 2 divisors, whose sum is σ = 11372858. Its totient is φ = 11372856.

The previous prime is 11372839. The next prime is 11372861. The reversal of 11372857 is 75827311.

11372857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11363641 + 9216 = 3371^2 + 96^2 .

It is a cyclic number.

It is not a de Polignac number, because 11372857 - 2⁷ = 11372729 is a prime.

It is not a weakly prime, because it can be changed into another prime (11372807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5686428 + 5686429.

It is an arithmetic number, because the mean of its divisors is an integer number (5686429).

Almost surely, 2^11372857 is an apocalyptic number.

It is an amenable number.

11372857 is a deficient number, since it is larger than the sum of its proper divisors (1).

11372857 is an equidigital number, since it uses as much as digits as its factorization.

11372857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 34.

The square root of 11372857 is about 3372.3666763862. The cubic root of 11372857 is about 224.8829481701.

The spelling of 11372857 in words is "eleven million, three hundred seventy-two thousand, eight hundred fifty-seven".