12156023606536 has 8 divisors (see below), whose sum is σ = 22792544262270. Its totient is φ = 6078011803264.

The previous prime is 12156023606513. The next prime is 12156023606561. The reversal of 12156023606536 is 63560632065121.

It can be written as a sum of positive squares in only one way, i.e., 8483856242436 + 3672167364100 = 2912706^2 + 1916290^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 759751475401 + ... + 759751475416.

Almost surely, 2^{12156023606536} is an apocalyptic number.

It is an amenable number.

12156023606536 is a deficient number, since it is larger than the sum of its proper divisors (10636520655734).

12156023606536 is a wasteful number, since it uses less digits than its factorization.

12156023606536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519502950823 (or 1519502950819 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 12156023606536 in words is "twelve trillion, one hundred fifty-six billion, twenty-three million, six hundred six thousand, five hundred thirty-six".