11536666047 has 6 divisors (see below), whose sum is σ = 16664073192. Its totient is φ = 7691110692.

The previous prime is 11536666039. The next prime is 11536666087. The reversal of 11536666047 is 74066663511.

It is not a de Polignac number, because 11536666047 - 2³ = 11536666039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11536665993 and 11536666011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11536666087) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 640925883 + ... + 640925900.

It is an arithmetic number, because the mean of its divisors is an integer number (2777345532).

Almost surely, 2^11536666047 is an apocalyptic number.

11536666047 is a deficient number, since it is larger than the sum of its proper divisors (5127407145).

11536666047 is a wasteful number, since it uses less digits than its factorization.

11536666047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281851789 (or 1281851786 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 11536666047 in words is "eleven billion, five hundred thirty-six million, six hundred sixty-six thousand, forty-seven".