11438859264 has 176 divisors, whose sum is σ = 34945335936. Its totient is φ = 3258777600.

The previous prime is 11438859217. The next prime is 11438859349. The reversal of 11438859264 is 46295883411.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11203074 + ... + 11204094.

Almost surely, 2^11438859264 is an apocalyptic number.

11438859264 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 11438859264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17472667968).

11438859264 is an abundant number, since it is smaller than the sum of its proper divisors (23506476672).

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

11438859264 is a wasteful number, since it uses less digits than its factorization.

11438859264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572 (or 1554 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The spelling of 11438859264 in words is "eleven billion, four hundred thirty-eight million, eight hundred fifty-nine thousand, two hundred sixty-four".