1020443454111 has 8 divisors (see below), whose sum is σ = 1367039572864. Its totient is φ = 677071485720.

The previous prime is 1020443454097. The next prime is 1020443454133. The reversal of 1020443454111 is 1114543440201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1020443454111 - 2¹⁹ = 1020442929823 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 (1020443450111) 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, 806036851 + ... + 806038116.

It is an arithmetic number, because the mean of its divisors is an integer number (170879946608).

Almost surely, 2^{1020443454111} is an apocalyptic number.

1020443454111 is a deficient number, since it is larger than the sum of its proper divisors (346596118753).

1020443454111 is a wasteful number, since it uses less digits than its factorization.

1020443454111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612075181.

The product of its (nonzero) digits is 7680, while the sum is 30.

Adding to 1020443454111 its reverse (1114543440201), we get a palindrome (2134986894312).

The spelling of 1020443454111 in words is "one trillion, twenty billion, four hundred forty-three million, four hundred fifty-four thousand, one hundred eleven".