1051223363445 has 16 divisors (see below), whose sum is σ = 1682038555200. Its totient is φ = 560625402624.

The previous prime is 1051223363363. The next prime is 1051223363483. The reversal of 1051223363445 is 5443633221501.

It is not a de Polignac number, because 1051223363445 - 2²³ = 1051214974837 is a prime.

It is a super-2 number, since 2×1051223363445² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1367959 + ... + 1993428.

It is an arithmetic number, because the mean of its divisors is an integer number (105127409700).

Almost surely, 2^{1051223363445} is an apocalyptic number.

1051223363445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1051223363445 is a deficient number, since it is larger than the sum of its proper divisors (630815191755).

1051223363445 is a wasteful number, since it uses less digits than its factorization.

1051223363445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3382244.

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 1051223363445 its reverse (5443633221501), we get a palindrome (6494856584946).

The spelling of 1051223363445 in words is "one trillion, fifty-one billion, two hundred twenty-three million, three hundred sixty-three thousand, four hundred forty-five".