7138118664271 has 4 divisors (see below), whose sum is σ = 8157849902032. Its totient is φ = 6118387426512.

The previous prime is 7138118664251. The next prime is 7138118664329. The reversal of 7138118664271 is 1724668118317.

It is a happy number.

7138118664271 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 7138118664271 - 2⁹ = 7138118663759 is a prime.

It is a super-2 number, since 2×7138118664271² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7138118664221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509865618870 + ... + 509865618883.

It is an arithmetic number, because the mean of its divisors is an integer number (2039462475508).

Almost surely, 2^{7138118664271} is an apocalyptic number.

7138118664271 is a deficient number, since it is larger than the sum of its proper divisors (1019731237761).

7138118664271 is a wasteful number, since it uses less digits than its factorization.

7138118664271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019731237760.

The product of its digits is 2709504, while the sum is 55.

The spelling of 7138118664271 in words is "seven trillion, one hundred thirty-eight billion, one hundred eighteen million, six hundred sixty-four thousand, two hundred seventy-one".