1051055434243 has 4 divisors (see below), whose sum is σ = 1051852293360. Its totient is φ = 1050258575128.

The previous prime is 1051055434241. The next prime is 1051055434309. The reversal of 1051055434243 is 3424345501501.

1051055434243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1051055434243 - 2¹ = 1051055434241 is a prime.

It is a super-2 number, since 2×1051055434243² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1051055434241) 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, 398427580 + ... + 398430217.

It is an arithmetic number, because the mean of its divisors is an integer number (262963073340).

Almost surely, 2^{1051055434243} is an apocalyptic number.

1051055434243 is a deficient number, since it is larger than the sum of its proper divisors (796859117).

1051055434243 is an equidigital number, since it uses as much as digits as its factorization.

1051055434243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796859116.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 1051055434243 in words is "one trillion, fifty-one billion, fifty-five million, four hundred thirty-four thousand, two hundred forty-three".