10142164561 has 2 divisors, whose sum is σ = 10142164562. Its totient is φ = 10142164560.

The previous prime is 10142164531. The next prime is 10142164621. The reversal of 10142164561 is 16546124101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8870814225 + 1271350336 = 94185^2 + 35656^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10142164561 is a prime.

It is not a weakly prime, because it can be changed into another prime (10142164531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5071082280 + 5071082281.

It is an arithmetic number, because the mean of its divisors is an integer number (5071082281).

Almost surely, 2^10142164561 is an apocalyptic number.

It is an amenable number.

10142164561 is a deficient number, since it is larger than the sum of its proper divisors (1).

10142164561 is an equidigital number, since it uses as much as digits as its factorization.

10142164561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 10142164561 its reverse (16546124101), we get a palindrome (26688288662).

The spelling of 10142164561 in words is "ten billion, one hundred forty-two million, one hundred sixty-four thousand, five hundred sixty-one".