10142563244665 has 4 divisors (see below), whose sum is σ = 12171075893604. Its totient is φ = 8114050595728.

The previous prime is 10142563244633. The next prime is 10142563244753. The reversal of 10142563244665 is 56644236524101.

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 4548869964864 + 5593693279801 = 2132808^2 + 2365099^2 .

It is a cyclic number.

It is not a de Polignac number, because 10142563244665 - 2⁵ = 10142563244633 is a prime.

It is a super-3 number, since 3×10142563244665³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014256324462 + ... + 1014256324471.

It is an arithmetic number, because the mean of its divisors is an integer number (3042768973401).

Almost surely, 2^{10142563244665} is an apocalyptic number.

It is an amenable number.

10142563244665 is a deficient number, since it is larger than the sum of its proper divisors (2028512648939).

10142563244665 is an equidigital number, since it uses as much as digits as its factorization.

10142563244665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028512648938.

The product of its (nonzero) digits is 4147200, while the sum is 49.

Adding to 10142563244665 its reverse (56644236524101), we get a palindrome (66786799768766).

The spelling of 10142563244665 in words is "ten trillion, one hundred forty-two billion, five hundred sixty-three million, two hundred forty-four thousand, six hundred sixty-five".