10101840857 has 2 divisors, whose sum is σ = 10101840858. Its totient is φ = 10101840856.

The previous prime is 10101840841. The next prime is 10101840869. The reversal of 10101840857 is 75804810101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7675687321 + 2426153536 = 87611^2 + 49256^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101840857 - 2⁴ = 10101840841 is a prime.

It is not a weakly prime, because it can be changed into another prime (10101800857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050920428 + 5050920429.

It is an arithmetic number, because the mean of its divisors is an integer number (5050920429).

Almost surely, 2^10101840857 is an apocalyptic number.

It is an amenable number.

10101840857 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101840857 is an equidigital number, since it uses as much as digits as its factorization.

10101840857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8960, while the sum is 35.

The spelling of 10101840857 in words is "ten billion, one hundred one million, eight hundred forty thousand, eight hundred fifty-seven".