611404014642 has 8 divisors (see below), whose sum is σ = 1222808029296. Its totient is φ = 203801338212.

The previous prime is 611404014569. The next prime is 611404014649. The reversal of 611404014642 is 246410404116.

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

611404014642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (611404014649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50950334548 + ... + 50950334559.

It is an arithmetic number, because the mean of its divisors is an integer number (152851003662).

Almost surely, 2^611404014642 is an apocalyptic number.

611404014642 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.

611404014642 is a wasteful number, since it uses less digits than its factorization.

611404014642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101900669112.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 611404014642 its reverse (246410404116), we get a palindrome (857814418758).

The spelling of 611404014642 in words is "six hundred eleven billion, four hundred four million, fourteen thousand, six hundred forty-two".