10051818911447 has 2 divisors, whose sum is σ = 10051818911448. Its totient is φ = 10051818911446.

The previous prime is 10051818911353. The next prime is 10051818911479. The reversal of 10051818911447 is 74411981815001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10051818911447 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10051818911395 and 10051818911404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10051818919447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5025909455723 + 5025909455724.

It is an arithmetic number, because the mean of its divisors is an integer number (5025909455724).

Almost surely, 2^{10051818911447} is an apocalyptic number.

10051818911447 is a deficient number, since it is larger than the sum of its proper divisors (1).

10051818911447 is an equidigital number, since it uses as much as digits as its factorization.

10051818911447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 50.

The spelling of 10051818911447 in words is "ten trillion, fifty-one billion, eight hundred eighteen million, nine hundred eleven thousand, four hundred forty-seven".