11436031198 has 4 divisors (see below), whose sum is σ = 17154046800. Its totient is φ = 5718015598.

The previous prime is 11436031193. The next prime is 11436031199. The reversal of 11436031198 is 89113063411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89113063411 = 80153 ⋅1111787.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11436031193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2859007798 + ... + 2859007801.

It is an arithmetic number, because the mean of its divisors is an integer number (4288511700).

Almost surely, 2^11436031198 is an apocalyptic number.

11436031198 is a deficient number, since it is larger than the sum of its proper divisors (5718015602).

11436031198 is an equidigital number, since it uses as much as digits as its factorization.

11436031198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5718015601.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 11436031198 in words is "eleven billion, four hundred thirty-six million, thirty-one thousand, one hundred ninety-eight".