11868418672 has 20 divisors (see below), whose sum is σ = 25085521656. Its totient is φ = 5394735680.

The previous prime is 11868418663. The next prime is 11868418703. The reversal of 11868418672 is 27681486811.

It is a super-3 number, since 3×11868418672³ (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, 33716923 + ... + 33717274.

Almost surely, 2^11868418672 is an apocalyptic number.

It is an amenable number.

11868418672 is an abundant number, since it is smaller than the sum of its proper divisors (13217102984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11868418672 is a wasteful number, since it uses less digits than its factorization.

11868418672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67434216 (or 67434210 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 52.

The spelling of 11868418672 in words is "eleven billion, eight hundred sixty-eight million, four hundred eighteen thousand, six hundred seventy-two".