10205054451391 has 2 divisors, whose sum is σ = 10205054451392. Its totient is φ = 10205054451390.

The previous prime is 10205054451301. The next prime is 10205054451413. The reversal of 10205054451391 is 19315445050201.

10205054451391 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 is an emirp because it is prime and its reverse (19315445050201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10205054451391 - 2⁹ = 10205054450879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10205054451301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5102527225695 + 5102527225696.

It is an arithmetic number, because the mean of its divisors is an integer number (5102527225696).

Almost surely, 2^{10205054451391} is an apocalyptic number.

10205054451391 is a deficient number, since it is larger than the sum of its proper divisors (1).

10205054451391 is an equidigital number, since it uses as much as digits as its factorization.

10205054451391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 10205054451391 in words is "ten trillion, two hundred five billion, fifty-four million, four hundred fifty-one thousand, three hundred ninety-one".