11218001639 has 16 divisors (see below), whose sum is σ = 12298137600. Its totient is φ = 10169253216.

The previous prime is 11218001591. The next prime is 11218001653. The reversal of 11218001639 is 93610081211.

It is not a de Polignac number, because 11218001639 - 2²⁴ = 11201224423 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 (11218001699) 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 15 ways as a sum of consecutive naturals, for example, 808442 + ... + 822200.

It is an arithmetic number, because the mean of its divisors is an integer number (768633600).

Almost surely, 2^11218001639 is an apocalyptic number.

11218001639 is a deficient number, since it is larger than the sum of its proper divisors (1080135961).

11218001639 is a wasteful number, since it uses less digits than its factorization.

11218001639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14894.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 11218001639 in words is "eleven billion, two hundred eighteen million, one thousand, six hundred thirty-nine".