1025105243443 has 4 divisors (see below), whose sum is σ = 1025360693568. Its totient is φ = 1024849793320.

The previous prime is 1025105243441. The next prime is 1025105243453. The reversal of 1025105243443 is 3443425015201.

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 1025105243443 - 2¹ = 1025105243441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1025105243399 and 1025105243408.

It is not an unprimeable number, because it can be changed into a prime (1025105243441) 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, 127719043 + ... + 127727068.

It is an arithmetic number, because the mean of its divisors is an integer number (256340173392).

Almost surely, 2^{1025105243443} is an apocalyptic number.

1025105243443 is a deficient number, since it is larger than the sum of its proper divisors (255450125).

1025105243443 is an equidigital number, since it uses as much as digits as its factorization.

1025105243443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255450124.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 1025105243443 in words is "one trillion, twenty-five billion, one hundred five million, two hundred forty-three thousand, four hundred forty-three".