11018887051238 has 32 divisors (see below), whose sum is σ = 18818411069952. Its totient is φ = 4789915873600.

The previous prime is 11018887051219. The next prime is 11018887051247. The reversal of 11018887051238 is 83215078881011.

It is a super-3 number, since 3×11018887051238³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11018887051238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630098 + ... + 4736538.

It is an arithmetic number, because the mean of its divisors is an integer number (588075345936).

Almost surely, 2^{11018887051238} is an apocalyptic number.

11018887051238 is a deficient number, since it is larger than the sum of its proper divisors (7799524018714).

11018887051238 is a wasteful number, since it uses less digits than its factorization.

11018887051238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4111780.

The product of its (nonzero) digits is 860160, while the sum is 53.

The spelling of 11018887051238 in words is "eleven trillion, eighteen billion, eight hundred eighty-seven million, fifty-one thousand, two hundred thirty-eight".