1345630616251 has 2 divisors, whose sum is σ = 1345630616252. Its totient is φ = 1345630616250.

The previous prime is 1345630616219. The next prime is 1345630616269. The reversal of 1345630616251 is 1526160365431.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1345630616251 - 2⁵ = 1345630616219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1345630616198 and 1345630616207.

It is not a weakly prime, because it can be changed into another prime (1345630616951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672815308125 + 672815308126.

It is an arithmetic number, because the mean of its divisors is an integer number (672815308126).

Almost surely, 2^{1345630616251} is an apocalyptic number.

1345630616251 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345630616251 is an equidigital number, since it uses as much as digits as its factorization.

1345630616251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 1345630616251 in words is "one trillion, three hundred forty-five billion, six hundred thirty million, six hundred sixteen thousand, two hundred fifty-one".