2065155051343 has 4 divisors (see below), whose sum is σ = 2065358705608. Its totient is φ = 2064951397080.

The previous prime is 2065155051329. The next prime is 2065155051371. The reversal of 2065155051343 is 3431505515602.

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 2065155051343 - 2¹⁷ = 2065154920271 is a prime.

It is a super-4 number, since 4×2065155051343⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2065155051296 and 2065155051305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065155051143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101811921 + ... + 101832202.

It is an arithmetic number, because the mean of its divisors is an integer number (516339676402).

Almost surely, 2^{2065155051343} is an apocalyptic number.

2065155051343 is a deficient number, since it is larger than the sum of its proper divisors (203654265).

2065155051343 is a wasteful number, since it uses less digits than its factorization.

2065155051343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203654264.

The product of its (nonzero) digits is 270000, while the sum is 40.

The spelling of 2065155051343 in words is "two trillion, sixty-five billion, one hundred fifty-five million, fifty-one thousand, three hundred forty-three".