1305626242111 has 4 divisors (see below), whose sum is σ = 1309797572272. Its totient is φ = 1301454911952.

The previous prime is 1305626242093. The next prime is 1305626242189. The reversal of 1305626242111 is 1112426265031.

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 1305626242111 - 2¹⁵ = 1305626209343 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 (1305626242411) 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, 2085664611 + ... + 2085665236.

It is an arithmetic number, because the mean of its divisors is an integer number (327449393068).

Almost surely, 2^{1305626242111} is an apocalyptic number.

1305626242111 is a deficient number, since it is larger than the sum of its proper divisors (4171330161).

1305626242111 is an equidigital number, since it uses as much as digits as its factorization.

1305626242111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171330160.

The product of its (nonzero) digits is 17280, while the sum is 34.

The spelling of 1305626242111 in words is "one trillion, three hundred five billion, six hundred twenty-six million, two hundred forty-two thousand, one hundred eleven".