5601122780 has 96 divisors (see below), whose sum is σ = 13295536128. Its totient is φ = 1963641600.

The previous prime is 5601122759. The next prime is 5601122797. The reversal of 5601122780 is 872211065.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1996859 + ... + 1999661.

It is an arithmetic number, because the mean of its divisors is an integer number (138495168).

Almost surely, 2^5601122780 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 5601122780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6647768064).

5601122780 is an abundant number, since it is smaller than the sum of its proper divisors (7694413348).

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

5601122780 is a wasteful number, since it uses less digits than its factorization.

5601122780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3147 (or 3145 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 5601122780 is about 74840.6492489209. The cubic root of 5601122780 is about 1775.9266766086.

The spelling of 5601122780 in words is "five billion, six hundred one million, one hundred twenty-two thousand, seven hundred eighty".