11706990671 has 8 divisors (see below), whose sum is σ = 12070696704. Its totient is φ = 11347441560.

The previous prime is 11706990613. The next prime is 11706990709. The reversal of 11706990671 is 17609960711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11706990671 - 2¹⁰ = 11706989647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11706990611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1033511 + ... + 1044776.

It is an arithmetic number, because the mean of its divisors is an integer number (1508837088).

Almost surely, 2^11706990671 is an apocalyptic number.

11706990671 is a deficient number, since it is larger than the sum of its proper divisors (363706033).

11706990671 is a wasteful number, since it uses less digits than its factorization.

11706990671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078461.

The product of its (nonzero) digits is 142884, while the sum is 47.

The spelling of 11706990671 in words is "eleven billion, seven hundred six million, nine hundred ninety thousand, six hundred seventy-one".