1297310515145 has 16 divisors (see below), whose sum is σ = 1609201671168. Its totient is φ = 1002987817920.

The previous prime is 1297310515141. The next prime is 1297310515187. The reversal of 1297310515145 is 5415150137921.

It is not a de Polignac number, because 1297310515145 - 2² = 1297310515141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1297310515096 and 1297310515105.

It is not an unprimeable number, because it can be changed into a prime (1297310515141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5643674 + ... + 5869043.

It is an arithmetic number, because the mean of its divisors is an integer number (100575104448).

Almost surely, 2^{1297310515145} is an apocalyptic number.

It is an amenable number.

1297310515145 is a deficient number, since it is larger than the sum of its proper divisors (311891156023).

1297310515145 is a wasteful number, since it uses less digits than its factorization.

1297310515145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11513480.

The product of its (nonzero) digits is 189000, while the sum is 44.

The spelling of 1297310515145 in words is "one trillion, two hundred ninety-seven billion, three hundred ten million, five hundred fifteen thousand, one hundred forty-five".