11516406536 has 8 divisors (see below), whose sum is σ = 21593262270. Its totient is φ = 5758203264.

The previous prime is 11516406533. The next prime is 11516406541. The reversal of 11516406536 is 63560461511.

11516406536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11511144100 + 5262436 = 107290^2 + 2294^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 11516406536.

It is not an unprimeable number, because it can be changed into a prime (11516406533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719775401 + ... + 719775416.

Almost surely, 2^11516406536 is an apocalyptic number.

It is an amenable number.

11516406536 is a deficient number, since it is larger than the sum of its proper divisors (10076855734).

11516406536 is a wasteful number, since it uses less digits than its factorization.

11516406536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439550823 (or 1439550819 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 11516406536 in words is "eleven billion, five hundred sixteen million, four hundred six thousand, five hundred thirty-six".