10534366881 has 12 divisors (see below), whose sum is σ = 15217254052. Its totient is φ = 7022474496.

The previous prime is 10534366861. The next prime is 10534366891. The reversal of 10534366881 is 18866343501.

10534366881 is a `hidden beast` number, since 1 + 0 + 534 + 36 + 6 + 8 + 81 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4322405025 + 6211961856 = 65745^2 + 78816^2 .

It is not a de Polignac number, because 10534366881 - 2⁵ = 10534366849 is a prime.

It is a super-2 number, since 2×10534366881² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10534366861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 191385 + ... + 240201.

Almost surely, 2^10534366881 is an apocalyptic number.

It is an amenable number.

10534366881 is a deficient number, since it is larger than the sum of its proper divisors (4682887171).

10534366881 is a wasteful number, since it uses less digits than its factorization.

10534366881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72800 (or 72797 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 10534366881 in words is "ten billion, five hundred thirty-four million, three hundred sixty-six thousand, eight hundred eighty-one".