11159234215936 has 51 divisors (see below), whose sum is σ = 22320008632021. Its totient is φ = 5579189518336.

The previous prime is 11159234215919. The next prime is 11159234215937. The reversal of 11159234215936 is 63951243295111.

The square root of 11159234215936 is 3340544.

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., 6357175566336 + 4802058649600 = 2521344^2 + 2191360^2 .

It is a super-2 number, since 2×11159234215936² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11159234215937) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 855172740 + ... + 855185788.

Almost surely, 2^{11159234215936} is an apocalyptic number.

11159234215936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

11159234215936 is the 3340544-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11159234215936

11159234215936 is an abundant number, since it is smaller than the sum of its proper divisors (11160774416085).

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

11159234215936 is an frugal number, since it uses more digits than its factorization.

11159234215936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26130 (or 13051 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 52.

The spelling of 11159234215936 in words is "eleven trillion, one hundred fifty-nine billion, two hundred thirty-four million, two hundred fifteen thousand, nine hundred thirty-six".