1213375465411 has 2 divisors, whose sum is σ = 1213375465412. Its totient is φ = 1213375465410.

The previous prime is 1213375465399. The next prime is 1213375465417. The reversal of 1213375465411 is 1145645733121.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1145645733121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1213375465411 - 2¹³ = 1213375457219 is a prime.

It is a super-2 number, since 2×1213375465411² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1213375465417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 606687732705 + 606687732706.

It is an arithmetic number, because the mean of its divisors is an integer number (606687732706).

Almost surely, 2^{1213375465411} is an apocalyptic number.

1213375465411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1213375465411 is an equidigital number, since it uses as much as digits as its factorization.

1213375465411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 43.

The spelling of 1213375465411 in words is "one trillion, two hundred thirteen billion, three hundred seventy-five million, four hundred sixty-five thousand, four hundred eleven".