7138118853647 has 2 divisors, whose sum is σ = 7138118853648. Its totient is φ = 7138118853646.

The previous prime is 7138118853631. The next prime is 7138118853667. The reversal of 7138118853647 is 7463588118317.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7138118853647 - 2⁴ = 7138118853631 is a prime.

It is a super-2 number, since 2×7138118853647² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7138118853647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7138118853667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3569059426823 + 3569059426824.

It is an arithmetic number, because the mean of its divisors is an integer number (3569059426824).

Almost surely, 2^{7138118853647} is an apocalyptic number.

7138118853647 is a deficient number, since it is larger than the sum of its proper divisors (1).

7138118853647 is an equidigital number, since it uses as much as digits as its factorization.

7138118853647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27095040, while the sum is 62.

The spelling of 7138118853647 in words is "seven trillion, one hundred thirty-eight billion, one hundred eighteen million, eight hundred fifty-three thousand, six hundred forty-seven".