2118705503 has 8 divisors (see below), whose sum is σ = 2195424000. Its totient is φ = 2043234648.

The previous prime is 2118705487. The next prime is 2118705521. The reversal of 2118705503 is 3055078112.

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 2118705503 - 2⁴ = 2118705487 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 2118705503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118705553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308453 + ... + 315246.

It is an arithmetic number, because the mean of its divisors is an integer number (274428000).

Almost surely, 2^2118705503 is an apocalyptic number.

2118705503 is a deficient number, since it is larger than the sum of its proper divisors (76718497).

2118705503 is an equidigital number, since it uses as much as digits as its factorization.

2118705503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623821.

The product of its (nonzero) digits is 8400, while the sum is 32.

The square root of 2118705503 is about 46029.3982472072. The cubic root of 2118705503 is about 1284.3701340624.

The spelling of 2118705503 in words is "two billion, one hundred eighteen million, seven hundred five thousand, five hundred three".