1420320040111 has 4 divisors (see below), whose sum is σ = 1623222902992. Its totient is φ = 1217417177232.

The previous prime is 1420320040109. The next prime is 1420320040127. The reversal of 1420320040111 is 1110400230241.

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 1420320040111 - 2¹ = 1420320040109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420320044111) 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, 101451431430 + ... + 101451431443.

It is an arithmetic number, because the mean of its divisors is an integer number (405805725748).

Almost surely, 2^{1420320040111} is an apocalyptic number.

1420320040111 is a deficient number, since it is larger than the sum of its proper divisors (202902862881).

1420320040111 is an equidigital number, since it uses as much as digits as its factorization.

1420320040111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202902862880.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1420320040111 its reverse (1110400230241), we get a palindrome (2530720270352).

The spelling of 1420320040111 in words is "one trillion, four hundred twenty billion, three hundred twenty million, forty thousand, one hundred eleven".