611606056506 has 16 divisors (see below), whose sum is σ = 1223735104800. Its totient is φ = 203781520208.

The previous prime is 611606056489. The next prime is 611606056511. The reversal of 611606056506 is 605650606116.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21776121 + ... + 21804188.

It is an arithmetic number, because the mean of its divisors is an integer number (76483444050).

Almost surely, 2^611606056506 is an apocalyptic number.

611606056506 is an abundant number, since it is smaller than the sum of its proper divisors (612129048294).

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

611606056506 is a wasteful number, since it uses less digits than its factorization.

611606056506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43582653.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 611606056506 in words is "six hundred eleven billion, six hundred six million, fifty-six thousand, five hundred six".