10144113985 has 4 divisors (see below), whose sum is σ = 12172936788. Its totient is φ = 8115291184.

The previous prime is 10144113977. The next prime is 10144114007. The reversal of 10144113985 is 58931144101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58931144101 = 61379 ⋅960119.

It can be written as a sum of positive squares in 2 ways, for example, as 6737290561 + 3406823424 = 82081^2 + 58368^2 .

It is a cyclic number.

It is not a de Polignac number, because 10144113985 - 2³ = 10144113977 is a prime.

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, 1014411394 + ... + 1014411403.

It is an arithmetic number, because the mean of its divisors is an integer number (3043234197).

Almost surely, 2^10144113985 is an apocalyptic number.

It is an amenable number.

10144113985 is a deficient number, since it is larger than the sum of its proper divisors (2028822803).

10144113985 is an equidigital number, since it uses as much as digits as its factorization.

10144113985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028822802.

The product of its (nonzero) digits is 17280, while the sum is 37.

The spelling of 10144113985 in words is "ten billion, one hundred forty-four million, one hundred thirteen thousand, nine hundred eighty-five".