611243204142 has 8 divisors (see below), whose sum is σ = 1222486408296. Its totient is φ = 203747734712.

The previous prime is 611243204141. The next prime is 611243204147. The reversal of 611243204142 is 241402342116.

It is a sphenic number, since it is the product of 3 distinct primes.

611243204142 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611243204141) 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, 50936933673 + ... + 50936933684.

It is an arithmetic number, because the mean of its divisors is an integer number (152810801037).

Almost surely, 2^611243204142 is an apocalyptic number.

611243204142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

611243204142 is a wasteful number, since it uses less digits than its factorization.

611243204142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101873867362.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 611243204142 its reverse (241402342116), we get a palindrome (852645546258).

The spelling of 611243204142 in words is "six hundred eleven billion, two hundred forty-three million, two hundred four thousand, one hundred forty-two".