1305641435152 has 20 divisors (see below), whose sum is σ = 2543656420396. Its totient is φ = 649213971840.

The previous prime is 1305641435143. The next prime is 1305641435159. The reversal of 1305641435152 is 2515341465031.

It can be written as a sum of positive squares in 2 ways, for example, as 19150131456 + 1286491303696 = 138384^2 + 1134236^2 .

It is not an unprimeable number, because it can be changed into a prime (1305641435159) by changing a digit.

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, 225418623 + ... + 225424414.

Almost surely, 2^{1305641435152} is an apocalyptic number.

It is an amenable number.

1305641435152 is a deficient number, since it is larger than the sum of its proper divisors (1238014985244).

1305641435152 is a wasteful number, since it uses less digits than its factorization.

1305641435152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450843226 (or 450843220 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 1305641435152 in words is "one trillion, three hundred five billion, six hundred forty-one million, four hundred thirty-five thousand, one hundred fifty-two".