11711198 has 32 divisors (see below), whose sum is σ = 19432224. Its totient is φ = 5271552.

The previous prime is 11711177. The next prime is 11711213. The reversal of 11711198 is 89111711.

It is a self number, because there is not a number n which added to its sum of digits gives 11711198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120686 + ... + 120782.

It is an arithmetic number, because the mean of its divisors is an integer number (607257).

Almost surely, 2^11711198 is an apocalyptic number.

11711198 is a deficient number, since it is larger than the sum of its proper divisors (7721026).

11711198 is a wasteful number, since it uses less digits than its factorization.

11711198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236.

The product of its digits is 504, while the sum is 29.

The square root of 11711198 is about 3422.1627664388. The cubic root of 11711198 is about 227.0912711045.

The spelling of 11711198 in words is "eleven million, seven hundred eleven thousand, one hundred ninety-eight".