1306642445325 has 36 divisors (see below), whose sum is σ = 2674676348448. Its totient is φ = 597322260000.

The previous prime is 1306642445299. The next prime is 1306642445327. The reversal of 1306642445325 is 5235442466031.

1306642445325 is a `hidden beast` number, since 1 + 30 + 6 + 6 + 42 + 44 + 532 + 5 = 666.

It is not a de Polignac number, because 1306642445325 - 2⁶ = 1306642445261 is a prime.

It is a super-2 number, since 2×1306642445325² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306642445327) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 414805551 + ... + 414808700.

Almost surely, 2^{1306642445325} is an apocalyptic number.

1306642445325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1306642445325 is an abundant number, since it is smaller than the sum of its proper divisors (1368033903123).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1306642445325 is a wasteful number, since it uses less digits than its factorization.

1306642445325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829614274 (or 829614266 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 45.

The spelling of 1306642445325 in words is "one trillion, three hundred six billion, six hundred forty-two million, four hundred forty-five thousand, three hundred twenty-five".