11189394944 has 320 divisors, whose sum is σ = 29096804352. Its totient is φ = 4180377600.

The previous prime is 11189394901. The next prime is 11189394949. The reversal of 11189394944 is 44949398111.

It is a happy number.

It is a super-4 number, since 4×11189394944⁴ (a number of 41 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11189394949) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88105409 + ... + 88105535.

Almost surely, 2^11189394944 is an apocalyptic number.

11189394944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11189394944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14548402176).

11189394944 is an abundant number, since it is smaller than the sum of its proper divisors (17907409408).

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

11189394944 is a wasteful number, since it uses less digits than its factorization.

11189394944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 241 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 53.

The spelling of 11189394944 in words is "eleven billion, one hundred eighty-nine million, three hundred ninety-four thousand, nine hundred forty-four".