242119284551 has 4 divisors (see below), whose sum is σ = 242130190032. Its totient is φ = 242108379072.

The previous prime is 242119284529. The next prime is 242119284559. The reversal of 242119284551 is 155482911242.

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 242119284551 - 2⁶ = 242119284487 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 (242119284559) 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, 5419370 + ... + 5463863.

It is an arithmetic number, because the mean of its divisors is an integer number (60532547508).

Almost surely, 2^242119284551 is an apocalyptic number.

242119284551 is a deficient number, since it is larger than the sum of its proper divisors (10905481).

242119284551 is a wasteful number, since it uses less digits than its factorization.

242119284551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10905480.

The product of its digits is 230400, while the sum is 44.

The spelling of 242119284551 in words is "two hundred forty-two billion, one hundred nineteen million, two hundred eighty-four thousand, five hundred fifty-one".