611001060500 has 96 divisors (see below), whose sum is σ = 1401318067968. Its totient is φ = 232284624000.

The previous prime is 611001060487. The next prime is 611001060511. The reversal of 611001060500 is 5060100116.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1636295 + ... + 1974705.

It is an arithmetic number, because the mean of its divisors is an integer number (14597063208).

Almost surely, 2^611001060500 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 611001060500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700659033984).

611001060500 is an abundant number, since it is smaller than the sum of its proper divisors (790317007468).

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

611001060500 is a wasteful number, since it uses less digits than its factorization.

611001060500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338610 (or 338598 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 611001060500 its reverse (5060100116), we get a palindrome (616061160616).

The spelling of 611001060500 in words is "six hundred eleven billion, one million, sixty thousand, five hundred".