11670138756863 has 16 divisors (see below), whose sum is σ = 12005866757280. Its totient is φ = 11337359007744.

The previous prime is 11670138756853. The next prime is 11670138756869. The reversal of 11670138756863 is 36865783107611.

It is not a de Polignac number, because 11670138756863 - 2¹⁰ = 11670138755839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11670138756796 and 11670138756805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11670138756869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41129543 + ... + 41412311.

It is an arithmetic number, because the mean of its divisors is an integer number (750366672330).

Almost surely, 2^{11670138756863} is an apocalyptic number.

11670138756863 is a deficient number, since it is larger than the sum of its proper divisors (335728000417).

11670138756863 is a wasteful number, since it uses less digits than its factorization.

11670138756863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287978.

The product of its (nonzero) digits is 30481920, while the sum is 62.

The spelling of 11670138756863 in words is "eleven trillion, six hundred seventy billion, one hundred thirty-eight million, seven hundred fifty-six thousand, eight hundred sixty-three".