2118540351 has 8 divisors (see below), whose sum is σ = 2825794224. Its totient is φ = 1411823360.

The previous prime is 2118540331. The next prime is 2118540353. The reversal of 2118540351 is 1530458112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2118540351 - 2¹⁰ = 2118539327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118540353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124920 + ... + 140861.

It is an arithmetic number, because the mean of its divisors is an integer number (353224278).

Almost surely, 2^2118540351 is an apocalyptic number.

2118540351 is a deficient number, since it is larger than the sum of its proper divisors (707253873).

2118540351 is a wasteful number, since it uses less digits than its factorization.

2118540351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268441.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 2118540351 is about 46027.6042283324. The cubic root of 2118540351 is about 1284.3367611990.

Adding to 2118540351 its reverse (1530458112), we get a palindrome (3648998463).

The spelling of 2118540351 in words is "two billion, one hundred eighteen million, five hundred forty thousand, three hundred fifty-one".