11198136718 has 8 divisors (see below), whose sum is σ = 16876813320. Its totient is φ = 5572532280.

The previous prime is 11198136683. The next prime is 11198136743. The reversal of 11198136718 is 81763189111.

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

It is a congruent number.

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, 13267513 + ... + 13268356.

It is an arithmetic number, because the mean of its divisors is an integer number (2109601665).

Almost surely, 2^11198136718 is an apocalyptic number.

11198136718 is a deficient number, since it is larger than the sum of its proper divisors (5678676602).

11198136718 is a wasteful number, since it uses less digits than its factorization.

11198136718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26536082.

The product of its digits is 72576, while the sum is 46.

The spelling of 11198136718 in words is "eleven billion, one hundred ninety-eight million, one hundred thirty-six thousand, seven hundred eighteen".