250242020505311 has 4 divisors (see below), whose sum is σ = 261122108353392. Its totient is φ = 239361932657232.

The previous prime is 250242020505277. The next prime is 250242020505359. The reversal of 250242020505311 is 113505020242052.

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-250242020505311 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 (250242020505361) 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, 5440043924006 + ... + 5440043924051.

It is an arithmetic number, because the mean of its divisors is an integer number (65280527088348).

Almost surely, 2^{250242020505311} is an apocalyptic number.

250242020505311 is a deficient number, since it is larger than the sum of its proper divisors (10880087848081).

250242020505311 is a wasteful number, since it uses less digits than its factorization.

250242020505311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10880087848080.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 250242020505311 its reverse (113505020242052), we get a palindrome (363747040747363).

The spelling of 250242020505311 in words is "two hundred fifty trillion, two hundred forty-two billion, twenty million, five hundred five thousand, three hundred eleven".