11721093696 has 189 divisors, whose sum is σ = 36484674681. Its totient is φ = 3596097024.

The previous prime is 11721093667. The next prime is 11721093721. The reversal of 11721093696 is 69639012711.

The square root of 11721093696 is 108264.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1733889600 + 9987204096 = 41640^2 + 99936^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 33778195 + ... + 33778541.

Almost surely, 2^11721093696 is an apocalyptic number.

11721093696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

11721093696 is the 108264-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11721093696

11721093696 is an abundant number, since it is smaller than the sum of its proper divisors (24763580985).

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

11721093696 is an equidigital number, since it uses as much as digits as its factorization.

11721093696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 11721093696 in words is "eleven billion, seven hundred twenty-one million, ninety-three thousand, six hundred ninety-six".