1311742417959 has 20 divisors (see below), whose sum is σ = 2027085987960. Its totient is φ = 844339945680.

The previous prime is 1311742417939. The next prime is 1311742417963. The reversal of 1311742417959 is 9597142471131.

1311742417959 is a `hidden beast` number, since 1 + 3 + 1 + 174 + 2 + 417 + 9 + 59 = 666.

It is not a de Polignac number, because 1311742417959 - 2²⁵ = 1311708863527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311742417939) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 279210597 + ... + 279215294.

It is an arithmetic number, because the mean of its divisors is an integer number (101354299398).

Almost surely, 2^{1311742417959} is an apocalyptic number.

1311742417959 is a deficient number, since it is larger than the sum of its proper divisors (715343570001).

1311742417959 is an equidigital number, since it uses as much as digits as its factorization.

1311742417959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558425932 (or 558425923 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 54.

The spelling of 1311742417959 in words is "one trillion, three hundred eleven billion, seven hundred forty-two million, four hundred seventeen thousand, nine hundred fifty-nine".