1217375114311 has 4 divisors (see below), whose sum is σ = 1217390188000. Its totient is φ = 1217360040624.

The previous prime is 1217375114299. The next prime is 1217375114321. The reversal of 1217375114311 is 1134115737121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1217375114311 - 2¹⁵ = 1217375081543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1217375114321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7415046 + ... + 7577443.

It is an arithmetic number, because the mean of its divisors is an integer number (304347547000).

Almost surely, 2^{1217375114311} is an apocalyptic number.

1217375114311 is a deficient number, since it is larger than the sum of its proper divisors (15073689).

1217375114311 is an equidigital number, since it uses as much as digits as its factorization.

1217375114311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15073688.

The product of its digits is 17640, while the sum is 37.

The spelling of 1217375114311 in words is "one trillion, two hundred seventeen billion, three hundred seventy-five million, one hundred fourteen thousand, three hundred eleven".