10000511055481 has 2 divisors, whose sum is σ = 10000511055482. Its totient is φ = 10000511055480.

The previous prime is 10000511055473. The next prime is 10000511055533. The reversal of 10000511055481 is 18455011500001.

10000511055481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9560365056256 + 440145999225 = 3091984^2 + 663435^2 .

It is a cyclic number.

It is not a de Polignac number, because 10000511055481 - 2³ = 10000511055473 is a prime.

It is a super-2 number, since 2×10000511055481² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10000511058481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000255527740 + 5000255527741.

It is an arithmetic number, because the mean of its divisors is an integer number (5000255527741).

Almost surely, 2^{10000511055481} is an apocalyptic number.

It is an amenable number.

10000511055481 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000511055481 is an equidigital number, since it uses as much as digits as its factorization.

10000511055481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4000, while the sum is 31.

Adding to 10000511055481 its reverse (18455011500001), we get a palindrome (28455522555482).

The spelling of 10000511055481 in words is "ten trillion, five hundred eleven million, fifty-five thousand, four hundred eighty-one".