10143034235561 has 4 divisors (see below), whose sum is σ = 10143054640212. Its totient is φ = 10143013830912.

The previous prime is 10143034235501. The next prime is 10143034235563. The reversal of 10143034235561 is 16553243034101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9007411525225 + 1135622710336 = 3001235^2 + 1065656^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10143034235561 is a prime.

It is a super-2 number, since 2×10143034235561² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10143034235563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9437576 + ... + 10457241.

It is an arithmetic number, because the mean of its divisors is an integer number (2535763660053).

Almost surely, 2^{10143034235561} is an apocalyptic number.

It is an amenable number.

10143034235561 is a deficient number, since it is larger than the sum of its proper divisors (20404651).

10143034235561 is an equidigital number, since it uses as much as digits as its factorization.

10143034235561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20404650.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 10143034235561 its reverse (16553243034101), we get a palindrome (26696277269662).

The spelling of 10143034235561 in words is "ten trillion, one hundred forty-three billion, thirty-four million, two hundred thirty-five thousand, five hundred sixty-one".