248443944311 has 4 divisors (see below), whose sum is σ = 261519941400. Its totient is φ = 235367947224.

The previous prime is 248443944299. The next prime is 248443944341. The reversal of 248443944311 is 113449344842.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113449344842 = 2 ⋅56724672421.

It is a de Polignac number, because none of the positive numbers 2^k-248443944311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248443944341) 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, 6537998516 + ... + 6537998553.

It is an arithmetic number, because the mean of its divisors is an integer number (65379985350).

Almost surely, 2^248443944311 is an apocalyptic number.

248443944311 is a deficient number, since it is larger than the sum of its proper divisors (13075997089).

248443944311 is a wasteful number, since it uses less digits than its factorization.

248443944311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13075997088.

The product of its digits is 1327104, while the sum is 47.

The spelling of 248443944311 in words is "two hundred forty-eight billion, four hundred forty-three million, nine hundred forty-four thousand, three hundred eleven".