11650656011651 has 4 divisors (see below), whose sum is σ = 11650856849592. Its totient is φ = 11650455173712.

The previous prime is 11650656011573. The next prime is 11650656011669. The reversal of 11650656011651 is 15611065605611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11650656011651 - 2⁴² = 7252609500547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11650656091651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100331930 + ... + 100447983.

It is an arithmetic number, because the mean of its divisors is an integer number (2912714212398).

Almost surely, 2^{11650656011651} is an apocalyptic number.

11650656011651 is a deficient number, since it is larger than the sum of its proper divisors (200837941).

11650656011651 is an equidigital number, since it uses as much as digits as its factorization.

11650656011651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200837940.

The product of its (nonzero) digits is 162000, while the sum is 44.

The spelling of 11650656011651 in words is "eleven trillion, six hundred fifty billion, six hundred fifty-six million, eleven thousand, six hundred fifty-one".