238003376511 has 4 divisors (see below), whose sum is σ = 317337835352. Its totient is φ = 158668917672.

The previous prime is 238003376491. The next prime is 238003376549. The reversal of 238003376511 is 115673300832.

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

It is not a de Polignac number, because 238003376511 - 2²² = 237999182207 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 238003376511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238003376411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39667229416 + ... + 39667229421.

It is an arithmetic number, because the mean of its divisors is an integer number (79334458838).

Almost surely, 2^238003376511 is an apocalyptic number.

238003376511 is a deficient number, since it is larger than the sum of its proper divisors (79334458841).

238003376511 is an equidigital number, since it uses as much as digits as its factorization.

238003376511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79334458840.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 238003376511 in words is "two hundred thirty-eight billion, three million, three hundred seventy-six thousand, five hundred eleven".