11111111098 has 8 divisors (see below), whose sum is σ = 17241379380. Its totient is φ = 5363984640.

The previous prime is 11111111059. The next prime is 11111111113. The reversal of 11111111098 is 89011111111.

It can be written as a sum of positive squares in 2 ways, for example, as 9478385449 + 1632725649 = 97357^2 + 40407^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 95785383 + ... + 95785498.

Almost surely, 2^11111111098 is an apocalyptic number.

11111111098 is a deficient number, since it is larger than the sum of its proper divisors (6130268282).

11111111098 is a wasteful number, since it uses less digits than its factorization.

11111111098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191570912.

The product of its (nonzero) digits is 72, while the sum is 25.

The spelling of 11111111098 in words is "eleven billion, one hundred eleven million, one hundred eleven thousand, ninety-eight".