10140432009985 has 4 divisors (see below), whose sum is σ = 12168518411988. Its totient is φ = 8112345607984.

The previous prime is 10140432009977. The next prime is 10140432010001. The reversal of 10140432009985 is 58990023404101.

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 4690130880241 + 5450301129744 = 2165671^2 + 2334588^2 .

It is a cyclic number.

It is not a de Polignac number, because 10140432009985 - 2³ = 10140432009977 is a prime.

It is a super-2 number, since 2×10140432009985² (a number of 27 digits) contains 22 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, 1014043200994 + ... + 1014043201003.

It is an arithmetic number, because the mean of its divisors is an integer number (3042129602997).

Almost surely, 2^{10140432009985} is an apocalyptic number.

It is an amenable number.

10140432009985 is a deficient number, since it is larger than the sum of its proper divisors (2028086402003).

10140432009985 is an equidigital number, since it uses as much as digits as its factorization.

10140432009985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028086402002.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 10140432009985 in words is "ten trillion, one hundred forty billion, four hundred thirty-two million, nine thousand, nine hundred eighty-five".