3278343955711 has 4 divisors (see below), whose sum is σ = 3576375224424. Its totient is φ = 2980312687000.

The previous prime is 3278343955657. The next prime is 3278343955807. The reversal of 3278343955711 is 1175593438723.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3278343955711 - 2¹⁹ = 3278343431423 is a prime.

It is a super-3 number, since 3×3278343955711³ (a number of 39 digits) contains 333 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 (3278343956711) 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, 149015634340 + ... + 149015634361.

It is an arithmetic number, because the mean of its divisors is an integer number (894093806106).

Almost surely, 2^{3278343955711} is an apocalyptic number.

3278343955711 is a deficient number, since it is larger than the sum of its proper divisors (298031268713).

3278343955711 is a wasteful number, since it uses less digits than its factorization.

3278343955711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298031268712.

The product of its digits is 19051200, while the sum is 58.

The spelling of 3278343955711 in words is "three trillion, two hundred seventy-eight billion, three hundred forty-three million, nine hundred fifty-five thousand, seven hundred eleven".