11420110651643 has 4 divisors (see below), whose sum is σ = 11423414129400. Its totient is φ = 11416807173888.

The previous prime is 11420110651627. The next prime is 11420110651723. The reversal of 11420110651643 is 34615601102411.

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 11420110651643 - 2⁴ = 11420110651627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11420110651043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1651733693 + ... + 1651740606.

It is an arithmetic number, because the mean of its divisors is an integer number (2855853532350).

Almost surely, 2^{11420110651643} is an apocalyptic number.

11420110651643 is a deficient number, since it is larger than the sum of its proper divisors (3303477757).

11420110651643 is an equidigital number, since it uses as much as digits as its factorization.

11420110651643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303477756.

The product of its (nonzero) digits is 17280, while the sum is 35.

The spelling of 11420110651643 in words is "eleven trillion, four hundred twenty billion, one hundred ten million, six hundred fifty-one thousand, six hundred forty-three".