11396634880 has 144 divisors (see below), whose sum is σ = 27911588544. Its totient is φ = 4457226240.

The previous prime is 11396634863. The next prime is 11396634917. The reversal of 11396634880 is 8843669311.

It is a super-2 number, since 2×11396634880² (a number of 21 digits) contains 22 as substring.

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, 17723839 + ... + 17724481.

It is an arithmetic number, because the mean of its divisors is an integer number (193830476).

Almost surely, 2^11396634880 is an apocalyptic number.

11396634880 is a gapful number since it is divisible by the number (10) 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 11396634880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13955794272).

11396634880 is an abundant number, since it is smaller than the sum of its proper divisors (16514953664).

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

11396634880 is an equidigital number, since it uses as much as digits as its factorization.

11396634880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 11396634880 in words is "eleven billion, three hundred ninety-six million, six hundred thirty-four thousand, eight hundred eighty".