11905232885401 has 2 divisors, whose sum is σ = 11905232885402. Its totient is φ = 11905232885400.

The previous prime is 11905232885389. The next prime is 11905232885459. The reversal of 11905232885401 is 10458823250911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7238440489225 + 4666792396176 = 2690435^2 + 2160276^2 .

It is a cyclic number.

It is not a de Polignac number, because 11905232885401 - 2⁹ = 11905232884889 is a prime.

It is not a weakly prime, because it can be changed into another prime (11905232885801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5952616442700 + 5952616442701.

It is an arithmetic number, because the mean of its divisors is an integer number (5952616442701).

Almost surely, 2^{11905232885401} is an apocalyptic number.

It is an amenable number.

11905232885401 is a deficient number, since it is larger than the sum of its proper divisors (1).

11905232885401 is an equidigital number, since it uses as much as digits as its factorization.

11905232885401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 49.

The spelling of 11905232885401 in words is "eleven trillion, nine hundred five billion, two hundred thirty-two million, eight hundred eighty-five thousand, four hundred one".