11655664201 has 8 divisors (see below), whose sum is σ = 11730650624. Its totient is φ = 11580913440.

The previous prime is 11655664103. The next prime is 11655664211. The reversal of 11655664201 is 10246655611.

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 11655664201 - 2¹¹ = 11655662153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11655664211) 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, 40861 + ... + 158053.

It is an arithmetic number, because the mean of its divisors is an integer number (1466331328).

Almost surely, 2^11655664201 is an apocalyptic number.

It is an amenable number.

11655664201 is a deficient number, since it is larger than the sum of its proper divisors (74986423).

11655664201 is a wasteful number, since it uses less digits than its factorization.

11655664201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117831.

The product of its (nonzero) digits is 43200, while the sum is 37.

The spelling of 11655664201 in words is "eleven billion, six hundred fifty-five million, six hundred sixty-four thousand, two hundred one".