611521060 has 48 divisors (see below), whose sum is σ = 1333797696. Its totient is φ = 235331712.

The previous prime is 611521037. The next prime is 611521111. The reversal of 611521060 is 60125116.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52314 + ... + 62926.

It is an arithmetic number, because the mean of its divisors is an integer number (27787452).

Almost surely, 2^611521060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 611521060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (666898848).

611521060 is an abundant number, since it is smaller than the sum of its proper divisors (722276636).

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

611521060 is a wasteful number, since it uses less digits than its factorization.

611521060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10732 (or 10730 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 611521060 is about 24728.9518580954. The cubic root of 611521060 is about 848.7969416379.

Adding to 611521060 its reverse (60125116), we get a palindrome (671646176).

The spelling of 611521060 in words is "six hundred eleven million, five hundred twenty-one thousand, sixty".