1051052245345 has 4 divisors (see below), whose sum is σ = 1261262694420. Its totient is φ = 840841796272.

The previous prime is 1051052245319. The next prime is 1051052245409. The reversal of 1051052245345 is 5435422501501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 823271319649 + 227780925696 = 907343^2 + 477264^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051052245345 - 2⁹ = 1051052244833 is a prime.

It is a super-2 number, since 2×1051052245345² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105105224530 + ... + 105105224539.

It is an arithmetic number, because the mean of its divisors is an integer number (315315673605).

Almost surely, 2^{1051052245345} is an apocalyptic number.

It is an amenable number.

1051052245345 is a deficient number, since it is larger than the sum of its proper divisors (210210449075).

1051052245345 is an equidigital number, since it uses as much as digits as its factorization.

1051052245345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210210449074.

The product of its (nonzero) digits is 120000, while the sum is 37.

Adding to 1051052245345 its reverse (5435422501501), we get a palindrome (6486474746846).

The spelling of 1051052245345 in words is "one trillion, fifty-one billion, fifty-two million, two hundred forty-five thousand, three hundred forty-five".