7138165505305 has 16 divisors (see below), whose sum is σ = 8798616451584. Its totient is φ = 5556725141440.

The previous prime is 7138165505297. The next prime is 7138165505321. The reversal of 7138165505305 is 5035055618317.

It is not a de Polignac number, because 7138165505305 - 2³ = 7138165505297 is a prime.

It is a super-2 number, since 2×7138165505305² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87748861 + ... + 87830170.

It is an arithmetic number, because the mean of its divisors is an integer number (549913528224).

Almost surely, 2^{7138165505305} is an apocalyptic number.

It is an amenable number.

7138165505305 is a deficient number, since it is larger than the sum of its proper divisors (1660450946279).

7138165505305 is a wasteful number, since it uses less digits than its factorization.

7138165505305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175579256.

The product of its (nonzero) digits is 1890000, while the sum is 49.

The spelling of 7138165505305 in words is "seven trillion, one hundred thirty-eight billion, one hundred sixty-five million, five hundred five thousand, three hundred five".