11512355621152 has 24 divisors (see below), whose sum is σ = 22665493018476. Its totient is φ = 5756039933952.

The previous prime is 11512355621141. The next prime is 11512355621161. The reversal of 11512355621152 is 25112655321511.

It can be written as a sum of positive squares in 2 ways, for example, as 11349595015056 + 162760606096 = 3368916^2 + 403436^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2945173 + ... + 5630164.

Almost surely, 2^{11512355621152} is an apocalyptic number.

It is an amenable number.

11512355621152 is a deficient number, since it is larger than the sum of its proper divisors (11153137397324).

11512355621152 is an equidigital number, since it uses as much as digits as its factorization.

11512355621152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8617300 (or 8617292 counting only the distinct ones).

The product of its digits is 90000, while the sum is 40.

The spelling of 11512355621152 in words is "eleven trillion, five hundred twelve billion, three hundred fifty-five million, six hundred twenty-one thousand, one hundred fifty-two".