5521266442120 has 128 divisors (see below), whose sum is σ = 14625152640000. Its totient is φ = 1849422228480.

The previous prime is 5521266442117. The next prime is 5521266442121. The reversal of 5521266442120 is 212446621255.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (5521266442121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1732306 + ... + 3747454.

It is an arithmetic number, because the mean of its divisors is an integer number (114259005000).

Almost surely, 2^{5521266442120} 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 5521266442120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7312576320000).

5521266442120 is an abundant number, since it is smaller than the sum of its proper divisors (9103886197880).

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

5521266442120 is a wasteful number, since it uses less digits than its factorization.

5521266442120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015663 (or 2015659 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 5521266442120 in words is "five trillion, five hundred twenty-one billion, two hundred sixty-six million, four hundred forty-two thousand, one hundred twenty".