10534366861 has 2 divisors, whose sum is σ = 10534366862. Its totient is φ = 10534366860.

The previous prime is 10534366849. The next prime is 10534366891. The reversal of 10534366861 is 16866343501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10527991236 + 6375625 = 102606^2 + 2525^2 .

It is a cyclic number.

It is not a de Polignac number, because 10534366861 - 2²⁵ = 10500812429 is a prime.

It is a super-2 number, since 2×10534366861² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10534366891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5267183430 + 5267183431.

It is an arithmetic number, because the mean of its divisors is an integer number (5267183431).

Almost surely, 2^10534366861 is an apocalyptic number.

It is an amenable number.

10534366861 is a deficient number, since it is larger than the sum of its proper divisors (1).

10534366861 is an equidigital number, since it uses as much as digits as its factorization.

10534366861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 10534366861 in words is "ten billion, five hundred thirty-four million, three hundred sixty-six thousand, eight hundred sixty-one".