11126198319 has 40 divisors (see below), whose sum is σ = 16079152560. Its totient is φ = 6835323264.

The previous prime is 11126198269. The next prime is 11126198333. The reversal of 11126198319 is 91389162111.

It is a happy number.

It is not a de Polignac number, because 11126198319 - 2⁷ = 11126198191 is a prime.

It is a super-2 number, since 2×11126198319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11126198219) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 24345939 + ... + 24346395.

It is an arithmetic number, because the mean of its divisors is an integer number (401978814).

Almost surely, 2^11126198319 is an apocalyptic number.

11126198319 is a deficient number, since it is larger than the sum of its proper divisors (4952954241).

11126198319 is an frugal number, since it uses more digits than its factorization.

11126198319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581 (or 512 counting only the distinct ones).

The product of its digits is 23328, while the sum is 42.

The spelling of 11126198319 in words is "eleven billion, one hundred twenty-six million, one hundred ninety-eight thousand, three hundred nineteen".