11975800356 has 243 divisors, whose sum is σ = 34838059347. Its totient is φ = 3466869120.

The previous prime is 11975800349. The next prime is 11975800367. The reversal of 11975800356 is 65300857911.

It is a happy number.

The square root of 11975800356 is 109434.

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

11975800356 is a `hidden beast` number, since 1 + 19 + 7 + 580 + 0 + 3 + 56 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8421732900 + 3554067456 = 91770^2 + 59616^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 196324566 + ... + 196324626.

Almost surely, 2^11975800356 is an apocalyptic number.

11975800356 is the 109434-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11975800356

11975800356 is an abundant number, since it is smaller than the sum of its proper divisors (22862258991).

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

11975800356 is a wasteful number, since it uses less digits than its factorization.

11975800356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 11975800356 in words is "eleven billion, nine hundred seventy-five million, eight hundred thousand, three hundred fifty-six".