11650663571801 has 8 divisors (see below), whose sum is σ = 11709857722944. Its totient is φ = 11591613974160.

The previous prime is 11650663571797. The next prime is 11650663571809. The reversal of 11650663571801 is 10817536605611.

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 11650663571801 - 2² = 11650663571797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11650663571801.

It is not an unprimeable number, because it can be changed into a prime (11650663571809) 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, 35976770 + ... + 36299163.

It is an arithmetic number, because the mean of its divisors is an integer number (1463732215368).

Almost surely, 2^{11650663571801} is an apocalyptic number.

It is an amenable number.

11650663571801 is a deficient number, since it is larger than the sum of its proper divisors (59194151143).

11650663571801 is an equidigital number, since it uses as much as digits as its factorization.

11650663571801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72276751.

The product of its (nonzero) digits is 907200, while the sum is 50.

The spelling of 11650663571801 in words is "eleven trillion, six hundred fifty billion, six hundred sixty-three million, five hundred seventy-one thousand, eight hundred one".