11105613198 has 24 divisors (see below), whose sum is σ = 24064099488. Its totient is φ = 3701572992.

The previous prime is 11105613193. The next prime is 11105613223. The reversal of 11105613198 is 89131650111.

11105613198 is a `hidden beast` number, since 1 + 1 + 1 + 0 + 561 + 3 + 1 + 98 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11105613193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 430686 + ... + 455742.

It is an arithmetic number, because the mean of its divisors is an integer number (1002670812).

Almost surely, 2^11105613198 is an apocalyptic number.

11105613198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11105613198 is an abundant number, since it is smaller than the sum of its proper divisors (12958486290).

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

11105613198 is a wasteful number, since it uses less digits than its factorization.

11105613198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49688 (or 49685 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 36.

The spelling of 11105613198 in words is "eleven billion, one hundred five million, six hundred thirteen thousand, one hundred ninety-eight".