11556201523612 has 12 divisors (see below), whose sum is σ = 20312442327240. Its totient is φ = 5752646572976.

The previous prime is 11556201523589. The next prime is 11556201523613. The reversal of 11556201523612 is 21632510265511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11556201523613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6363546187 + ... + 6363548002.

It is an arithmetic number, because the mean of its divisors is an integer number (1692703527270).

Almost surely, 2^{11556201523612} is an apocalyptic number.

It is an amenable number.

11556201523612 is a deficient number, since it is larger than the sum of its proper divisors (8756240803628).

11556201523612 is a wasteful number, since it uses less digits than its factorization.

11556201523612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12727094420 (or 12727094418 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 11556201523612 in words is "eleven trillion, five hundred fifty-six billion, two hundred one million, five hundred twenty-three thousand, six hundred twelve".