206411123542 has 16 divisors (see below), whose sum is σ = 333442463760. Its totient is φ = 95264069472.

The previous prime is 206411123507. The next prime is 206411123557. The reversal of 206411123542 is 245321114602.

206411123542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1126948 + ... + 1297240.

It is an arithmetic number, because the mean of its divisors is an integer number (20840153985).

Almost surely, 2^206411123542 is an apocalyptic number.

206411123542 is a deficient number, since it is larger than the sum of its proper divisors (127031340218).

206411123542 is a wasteful number, since it uses less digits than its factorization.

206411123542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216927.

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 206411123542 in words is "two hundred six billion, four hundred eleven million, one hundred twenty-three thousand, five hundred forty-two".