611413553642 has 32 divisors (see below), whose sum is σ = 979933593600. Its totient is φ = 285261706800.

The previous prime is 611413553603. The next prime is 611413553651. The reversal of 611413553642 is 246355314116.

It is a super-2 number, since 2×611413553642² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 611413553642.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2694167 + ... + 2912277.

It is an arithmetic number, because the mean of its divisors is an integer number (30622924800).

Almost surely, 2^611413553642 is an apocalyptic number.

611413553642 is a deficient number, since it is larger than the sum of its proper divisors (368520039958).

611413553642 is a wasteful number, since it uses less digits than its factorization.

611413553642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219242.

The product of its digits is 259200, while the sum is 41.

Adding to 611413553642 its reverse (246355314116), we get a palindrome (857768867758).

The spelling of 611413553642 in words is "six hundred eleven billion, four hundred thirteen million, five hundred fifty-three thousand, six hundred forty-two".