11398126464 has 128 divisors (see below), whose sum is σ = 34549888800. Its totient is φ = 3696648192.

The previous prime is 11398126393. The next prime is 11398126477. The reversal of 11398126464 is 46462189311.

It is a tau number, because it is divible by the number of its divisors (128).

It is a nude number because it is divisible by every one of its digits.

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, 83304 + ... + 172440.

Almost surely, 2^11398126464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11398126464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17274944400).

11398126464 is an abundant number, since it is smaller than the sum of its proper divisors (23151762336).

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

11398126464 is an equidigital number, since it uses as much as digits as its factorization.

11398126464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89197 (or 89179 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The spelling of 11398126464 in words is "eleven billion, three hundred ninety-eight million, one hundred twenty-six thousand, four hundred sixty-four".