11169510198 has 128 divisors (see below), whose sum is σ = 29303479296. Its totient is φ = 2753740800.

The previous prime is 11169510151. The next prime is 11169510203. The reversal of 11169510198 is 89101596111.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 692886 + ... + 708822.

It is an arithmetic number, because the mean of its divisors is an integer number (228933432).

Almost surely, 2^11169510198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11169510198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14651739648).

11169510198 is an abundant number, since it is smaller than the sum of its proper divisors (18133969098).

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

11169510198 is a wasteful number, since it uses less digits than its factorization.

11169510198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16038.

The product of its (nonzero) digits is 19440, while the sum is 42.

The spelling of 11169510198 in words is "eleven billion, one hundred sixty-nine million, five hundred ten thousand, one hundred ninety-eight".