1361215214351 has 2 divisors, whose sum is σ = 1361215214352. Its totient is φ = 1361215214350.

The previous prime is 1361215214311. The next prime is 1361215214363. The reversal of 1361215214351 is 1534125121631.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1361215214351 - 2¹⁴ = 1361215197967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1361215214311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 680607607175 + 680607607176.

It is an arithmetic number, because the mean of its divisors is an integer number (680607607176).

Almost surely, 2^{1361215214351} is an apocalyptic number.

1361215214351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1361215214351 is an equidigital number, since it uses as much as digits as its factorization.

1361215214351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

The spelling of 1361215214351 in words is "one trillion, three hundred sixty-one billion, two hundred fifteen million, two hundred fourteen thousand, three hundred fifty-one".