481021591122 has 90 divisors (see below), whose sum is σ = 1116887762133. Its totient is φ = 154729156176.

The previous prime is 481021591117. The next prime is 481021591139. The reversal of 481021591122 is 221195120184.

481021591122 is a `hidden beast` number, since 48 + 1 + 0 + 2 + 1 + 591 + 1 + 22 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 480735609201 + 285981921 = 693351^2 + 16911^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=490419.

It is a super-3 number, since 3×481021591122³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 255997779 + ... + 255999657.

Almost surely, 2^481021591122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 481021591122

481021591122 is an abundant number, since it is smaller than the sum of its proper divisors (635866171011).

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

481021591122 is an frugal number, since it uses more digits than its factorization.

481021591122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830 (or 1913 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The spelling of 481021591122 in words is "four hundred eighty-one billion, twenty-one million, five hundred ninety-one thousand, one hundred twenty-two".