10115440243003 has 4 divisors (see below), whose sum is σ = 10647831834760. Its totient is φ = 9583048651248.

The previous prime is 10115440242983. The next prime is 10115440243009. The reversal of 10115440243003 is 30034204451101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10115440243003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10115440243009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 266195795850 + ... + 266195795887.

It is an arithmetic number, because the mean of its divisors is an integer number (2661957958690).

Almost surely, 2^{10115440243003} is an apocalyptic number.

10115440243003 is a deficient number, since it is larger than the sum of its proper divisors (532391591757).

10115440243003 is an equidigital number, since it uses as much as digits as its factorization.

10115440243003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532391591756.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 10115440243003 its reverse (30034204451101), we get a palindrome (40149644694104).

The spelling of 10115440243003 in words is "ten trillion, one hundred fifteen billion, four hundred forty million, two hundred forty-three thousand, three".