11559690256 has 15 divisors (see below), whose sum is σ = 22397733151. Its totient is φ = 5779630096.

The previous prime is 11559690217. The next prime is 11559690271. The reversal of 11559690256 is 65209695511.

The square root of 11559690256 is 107516.

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

It is a super-2 number, since 2×11559690256² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 416625 + ... + 443503.

Almost surely, 2^11559690256 is an apocalyptic number.

11559690256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

11559690256 is the 107516-th square number.

It is an amenable number.

11559690256 is a deficient number, since it is larger than the sum of its proper divisors (10838042895).

11559690256 is an frugal number, since it uses more digits than its factorization.

11559690256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53766 (or 26881 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 49.

Multiplying 11559690256 by its sum of digits (49), we get a square (566424822544 = 752612²).

The spelling of 11559690256 in words is "eleven billion, five hundred fifty-nine million, six hundred ninety thousand, two hundred fifty-six".