6356144961311 has 4 divisors (see below), whose sum is σ = 6575322373800. Its totient is φ = 6136967548824.

The previous prime is 6356144961263. The next prime is 6356144961317. The reversal of 6356144961311 is 1131694416536.

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 6356144961311 - 2¹⁰ = 6356144960287 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6356144961311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6356144961317) 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, 109588706201 + ... + 109588706258.

It is an arithmetic number, because the mean of its divisors is an integer number (1643830593450).

Almost surely, 2^{6356144961311} is an apocalyptic number.

6356144961311 is a deficient number, since it is larger than the sum of its proper divisors (219177412489).

6356144961311 is a wasteful number, since it uses less digits than its factorization.

6356144961311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219177412488.

The product of its digits is 1399680, while the sum is 50.

The spelling of 6356144961311 in words is "six trillion, three hundred fifty-six billion, one hundred forty-four million, nine hundred sixty-one thousand, three hundred eleven".