1355912566273 has 2 divisors, whose sum is σ = 1355912566274. Its totient is φ = 1355912566272.

The previous prime is 1355912566259. The next prime is 1355912566289. The reversal of 1355912566273 is 3726652195531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 792229945329 + 563682620944 = 890073^2 + 750788^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1355912566273 is a prime.

It is a super-2 number, since 2×1355912566273² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1355912563273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 677956283136 + 677956283137.

It is an arithmetic number, because the mean of its divisors is an integer number (677956283137).

Almost surely, 2^{1355912566273} is an apocalyptic number.

It is an amenable number.

1355912566273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1355912566273 is an equidigital number, since it uses as much as digits as its factorization.

1355912566273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206000, while the sum is 55.

The spelling of 1355912566273 in words is "one trillion, three hundred fifty-five billion, nine hundred twelve million, five hundred sixty-six thousand, two hundred seventy-three".