11211838672 has 20 divisors (see below), whose sum is σ = 21767558176. Its totient is φ = 5594404320.

The previous prime is 11211838669. The next prime is 11211838717. The reversal of 11211838672 is 27683811211.

It is a super-3 number, since 3×11211838672³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711654 + ... + 727237.

Almost surely, 2^11211838672 is an apocalyptic number.

It is an amenable number.

11211838672 is a deficient number, since it is larger than the sum of its proper divisors (10555719504).

11211838672 is a wasteful number, since it uses less digits than its factorization.

11211838672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439386 (or 1439380 counting only the distinct ones).

The product of its digits is 32256, while the sum is 40.

The spelling of 11211838672 in words is "eleven billion, two hundred eleven million, eight hundred thirty-eight thousand, six hundred seventy-two".