1306055026445 has 32 divisors (see below), whose sum is σ = 1734516461664. Its totient is φ = 937940889600.

The previous prime is 1306055026439. The next prime is 1306055026447. The reversal of 1306055026445 is 5446205506031.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 916501790281 + 389553236164 = 957341^2 + 624142^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1306055026445 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306055026447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51275 + ... + 1617015.

It is an arithmetic number, because the mean of its divisors is an integer number (54203639427).

Almost surely, 2^{1306055026445} is an apocalyptic number.

It is an amenable number.

1306055026445 is a deficient number, since it is larger than the sum of its proper divisors (428461435219).

1306055026445 is a wasteful number, since it uses less digits than its factorization.

1306055026445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566113.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 1306055026445 in words is "one trillion, three hundred six billion, fifty-five million, twenty-six thousand, four hundred forty-five".