6201105857 has 2 divisors, whose sum is σ = 6201105858. Its totient is φ = 6201105856.

The previous prime is 6201105847. The next prime is 6201105871. The reversal of 6201105857 is 7585011026.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4581123856 + 1619982001 = 67684^2 + 40249^2 .

It is a cyclic number.

It is not a de Polignac number, because 6201105857 - 2²⁴ = 6184328641 is a prime.

It is not a weakly prime, because it can be changed into another prime (6201105847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3100552928 + 3100552929.

It is an arithmetic number, because the mean of its divisors is an integer number (3100552929).

Almost surely, 2^6201105857 is an apocalyptic number.

It is an amenable number.

6201105857 is a deficient number, since it is larger than the sum of its proper divisors (1).

6201105857 is an equidigital number, since it uses as much as digits as its factorization.

6201105857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 6201105857 is about 78747.1006259913. The cubic root of 6201105857 is about 1837.1997671471.

The spelling of 6201105857 in words is "six billion, two hundred one million, one hundred five thousand, eight hundred fifty-seven".