11669697471 has 8 divisors (see below), whose sum is σ = 15638580144. Its totient is φ = 7740306560.

The previous prime is 11669697409. The next prime is 11669697491. The reversal of 11669697471 is 17479696611.

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 11669697471 - 2⁶ = 11669697407 is a prime.

It is a super-3 number, since 3×11669697471³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11669697491) 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, 9872250 + ... + 9873431.

It is an arithmetic number, because the mean of its divisors is an integer number (1954822518).

Almost surely, 2^11669697471 is an apocalyptic number.

11669697471 is a deficient number, since it is larger than the sum of its proper divisors (3968882673).

11669697471 is a wasteful number, since it uses less digits than its factorization.

11669697471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19745881.

The product of its digits is 3429216, while the sum is 57.

The spelling of 11669697471 in words is "eleven billion, six hundred sixty-nine million, six hundred ninety-seven thousand, four hundred seventy-one".