111698663544 has 192 divisors, whose sum is σ = 333089396640. Its totient is φ = 33606144000.

The previous prime is 111698663539. The next prime is 111698663561. The reversal of 111698663544 is 445366896111.

111698663544 is a `hidden beast` number, since 1 + 1 + 1 + 6 + 98 + 6 + 6 + 3 + 544 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8585044 + ... + 8598044.

Almost surely, 2^111698663544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111698663544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166544698320).

111698663544 is an abundant number, since it is smaller than the sum of its proper divisors (221390733096).

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

111698663544 is a wasteful number, since it uses less digits than its factorization.

111698663544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13230 (or 13223 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 111698663544 in words is "one hundred eleven billion, six hundred ninety-eight million, six hundred sixty-three thousand, five hundred forty-four".