1306066505245 has 32 divisors (see below), whose sum is σ = 1669978657152. Its totient is φ = 977177198592.

The previous prime is 1306066505231. The next prime is 1306066505257. The reversal of 1306066505245 is 5425056606031.

It is a cyclic number.

It is not a de Polignac number, because 1306066505245 - 2⁹ = 1306066504733 is a prime.

It is a super-2 number, since 2×1306066505245² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14440534 + ... + 14530696.

It is an arithmetic number, because the mean of its divisors is an integer number (52186833036).

Almost surely, 2^{1306066505245} is an apocalyptic number.

It is an amenable number.

1306066505245 is a deficient number, since it is larger than the sum of its proper divisors (363912151907).

1306066505245 is a wasteful number, since it uses less digits than its factorization.

1306066505245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91261.

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 1306066505245 in words is "one trillion, three hundred six billion, sixty-six million, five hundred five thousand, two hundred forty-five".