1111011198 has 32 divisors (see below), whose sum is σ = 2426049792. Its totient is φ = 336388800.

The previous prime is 1111011197. The next prime is 1111011233. The reversal of 1111011198 is 8911101111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111011193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80815 + ... + 93557.

It is an arithmetic number, because the mean of its divisors is an integer number (75814056).

Almost surely, 2^1111011198 is an apocalyptic number.

1111011198 is an abundant number, since it is smaller than the sum of its proper divisors (1315038594).

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

1111011198 is a wasteful number, since it uses less digits than its factorization.

1111011198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14080.

The product of its (nonzero) digits is 72, while the sum is 24.

The square root of 1111011198 is about 33331.8346029738. The cubic root of 1111011198 is about 1035.7131223940.

The spelling of 1111011198 in words is "one billion, one hundred eleven million, eleven thousand, one hundred ninety-eight".