111694806198 has 32 divisors (see below), whose sum is σ = 248372987520. Its totient is φ = 37207256040.

The previous prime is 111694806193. The next prime is 111694806199. The reversal of 111694806198 is 891608496111.

111694806198 is a `hidden beast` number, since 1 + 1 + 16 + 9 + 4 + 8 + 0 + 619 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111694806193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 592840 + ... + 758187.

It is an arithmetic number, because the mean of its divisors is an integer number (7761655860).

Almost surely, 2^111694806198 is an apocalyptic number.

111694806198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

111694806198 is an abundant number, since it is smaller than the sum of its proper divisors (136678181322).

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

111694806198 is a wasteful number, since it uses less digits than its factorization.

111694806198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352569 (or 1352563 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 54.

The spelling of 111694806198 in words is "one hundred eleven billion, six hundred ninety-four million, eight hundred six thousand, one hundred ninety-eight".