2643120255301 has 16 divisors (see below), whose sum is σ = 2752919861760. Its totient is φ = 2534571244800.

The previous prime is 2643120255263. The next prime is 2643120255329. The reversal of 2643120255301 is 1035520213462.

It is a cyclic number.

It is not a de Polignac number, because 2643120255301 - 2¹¹ = 2643120253253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2643120255371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22857636 + ... + 22972978.

It is an arithmetic number, because the mean of its divisors is an integer number (172057491360).

Almost surely, 2^{2643120255301} is an apocalyptic number.

It is an amenable number.

2643120255301 is a deficient number, since it is larger than the sum of its proper divisors (109799606459).

2643120255301 is a wasteful number, since it uses less digits than its factorization.

2643120255301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120756.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 2643120255301 its reverse (1035520213462), we get a palindrome (3678640468763).

The spelling of 2643120255301 in words is "two trillion, six hundred forty-three billion, one hundred twenty million, two hundred fifty-five thousand, three hundred one".