10142413221561 has 4 divisors (see below), whose sum is σ = 13523217628752. Its totient is φ = 6761608814372.

The previous prime is 10142413221533. The next prime is 10142413221571. The reversal of 10142413221561 is 16512231424101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10142413221561 - 2⁹ = 10142413221049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10142413221571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690402203591 + ... + 1690402203596.

It is an arithmetic number, because the mean of its divisors is an integer number (3380804407188).

Almost surely, 2^{10142413221561} is an apocalyptic number.

It is an amenable number.

10142413221561 is a deficient number, since it is larger than the sum of its proper divisors (3380804407191).

10142413221561 is an equidigital number, since it uses as much as digits as its factorization.

10142413221561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380804407190.

The product of its (nonzero) digits is 11520, while the sum is 33.

Adding to 10142413221561 its reverse (16512231424101), we get a palindrome (26654644645662).

The spelling of 10142413221561 in words is "ten trillion, one hundred forty-two billion, four hundred thirteen million, two hundred twenty-one thousand, five hundred sixty-one".