248431377911 has 4 divisors (see below), whose sum is σ = 259232742192. Its totient is φ = 237630013632.

The previous prime is 248431377899. The next prime is 248431377959. The reversal of 248431377911 is 119773134842.

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

It is a cyclic number.

It is not a de Polignac number, because 248431377911 - 2²⁶ = 248364269047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 248431377911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248431377511) 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, 5400682106 + ... + 5400682151.

It is an arithmetic number, because the mean of its divisors is an integer number (64808185548).

Almost surely, 2^248431377911 is an apocalyptic number.

248431377911 is a deficient number, since it is larger than the sum of its proper divisors (10801364281).

248431377911 is a wasteful number, since it uses less digits than its factorization.

248431377911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10801364280.

The product of its digits is 1016064, while the sum is 50.

The spelling of 248431377911 in words is "two hundred forty-eight billion, four hundred thirty-one million, three hundred seventy-seven thousand, nine hundred eleven".