611080804920 has 256 divisors, whose sum is σ = 1865821962240. Its totient is φ = 160091762688.

The previous prime is 611080804903. The next prime is 611080804921. The reversal of 611080804920 is 29408080116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611080804921) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1539246162 + ... + 1539246558.

It is an arithmetic number, because the mean of its divisors is an integer number (7288367040).

Almost surely, 2^611080804920 is an apocalyptic number.

611080804920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611080804920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (932910981120).

611080804920 is an abundant number, since it is smaller than the sum of its proper divisors (1254741157320).

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

611080804920 is a wasteful number, since it uses less digits than its factorization.

611080804920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1214 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The spelling of 611080804920 in words is "six hundred eleven billion, eighty million, eight hundred four thousand, nine hundred twenty".