10515467881 has 2 divisors, whose sum is σ = 10515467882. Its totient is φ = 10515467880.

The previous prime is 10515467813. The next prime is 10515467887. The reversal of 10515467881 is 18876451501.

10515467881 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 can be written as a sum of positive squares in only one way, i.e., 8940648025 + 1574819856 = 94555^2 + 39684^2 .

It is a cyclic number.

It is not a de Polignac number, because 10515467881 - 2³³ = 1925533289 is a prime.

It is a super-2 number, since 2×10515467881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10515467887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5257733940 + 5257733941.

It is an arithmetic number, because the mean of its divisors is an integer number (5257733941).

Almost surely, 2^10515467881 is an apocalyptic number.

It is an amenable number.

10515467881 is a deficient number, since it is larger than the sum of its proper divisors (1).

10515467881 is an equidigital number, since it uses as much as digits as its factorization.

10515467881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 46.

The spelling of 10515467881 in words is "ten billion, five hundred fifteen million, four hundred sixty-seven thousand, eight hundred eighty-one".