10103705861 has 2 divisors, whose sum is σ = 10103705862. Its totient is φ = 10103705860.

The previous prime is 10103705831. The next prime is 10103705929. The reversal of 10103705861 is 16850730101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10078955236 + 24750625 = 100394^2 + 4975^2 .

It is an emirp because it is prime and its reverse (16850730101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10103705861 - 2²² = 10099511557 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10103705831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051852930 + 5051852931.

It is an arithmetic number, because the mean of its divisors is an integer number (5051852931).

Almost surely, 2^10103705861 is an apocalyptic number.

It is an amenable number.

10103705861 is a deficient number, since it is larger than the sum of its proper divisors (1).

10103705861 is an equidigital number, since it uses as much as digits as its factorization.

10103705861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 10103705861 in words is "ten billion, one hundred three million, seven hundred five thousand, eight hundred sixty-one".