1305277606945 has 32 divisors (see below), whose sum is σ = 1703624638464. Its totient is φ = 954313651200.

The previous prime is 1305277606943. The next prime is 1305277606993. The reversal of 1305277606945 is 5496067725031.

It is a happy number.

It is not a de Polignac number, because 1305277606945 - 2¹ = 1305277606943 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1305277606943) 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, 6593760 + ... + 6788830.

It is an arithmetic number, because the mean of its divisors is an integer number (53238269952).

Almost surely, 2^{1305277606945} is an apocalyptic number.

It is an amenable number.

1305277606945 is a deficient number, since it is larger than the sum of its proper divisors (398347031519).

1305277606945 is a wasteful number, since it uses less digits than its factorization.

1305277606945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196113.

The product of its (nonzero) digits is 9525600, while the sum is 55.

The spelling of 1305277606945 in words is "one trillion, three hundred five billion, two hundred seventy-seven million, six hundred six thousand, nine hundred forty-five".