1297066349955 has 8 divisors (see below), whose sum is σ = 2075306159952. Its totient is φ = 691768719968.

The previous prime is 1297066349941. The next prime is 1297066349963. The reversal of 1297066349955 is 5599436607921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1297066349955 - 2⁵ = 1297066349923 is a prime.

It is a super-2 number, since 2×1297066349955² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43235544984 + ... + 43235545013.

It is an arithmetic number, because the mean of its divisors is an integer number (259413269994).

Almost surely, 2^{1297066349955} is an apocalyptic number.

1297066349955 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1297066349955 is a deficient number, since it is larger than the sum of its proper divisors (778239809997).

1297066349955 is an equidigital number, since it uses as much as digits as its factorization.

1297066349955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86471090005.

The product of its (nonzero) digits is 110224800, while the sum is 66.

The spelling of 1297066349955 in words is "one trillion, two hundred ninety-seven billion, sixty-six million, three hundred forty-nine thousand, nine hundred fifty-five".