611403111616 has 56 divisors (see below), whose sum is σ = 1323759177216. Its totient is φ = 277866328320.

The previous prime is 611403111541. The next prime is 611403111617. The reversal of 611403111616 is 616111304116.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (611403111617) by changing a digit.

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, 4585605 + ... + 4717051.

It is an arithmetic number, because the mean of its divisors is an integer number (23638556736).

Almost surely, 2^611403111616 is an apocalyptic number.

It is an amenable number.

611403111616 is an abundant number, since it is smaller than the sum of its proper divisors (712356065600).

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

611403111616 is a wasteful number, since it uses less digits than its factorization.

611403111616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138077 (or 138067 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 611403111616 in words is "six hundred eleven billion, four hundred three million, one hundred eleven thousand, six hundred sixteen".