1121321482064 has 80 divisors (see below), whose sum is σ = 2518026336000. Its totient is φ = 473803748352.

The previous prime is 1121321482051. The next prime is 1121321482121. The reversal of 1121321482064 is 4602841231211.

It is a super-2 number, since 2×1121321482064² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3317669 + ... + 3639995.

It is an arithmetic number, because the mean of its divisors is an integer number (31475329200).

Almost surely, 2^{1121321482064} is an apocalyptic number.

1121321482064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1121321482064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1259013168000).

1121321482064 is an abundant number, since it is smaller than the sum of its proper divisors (1396704853936).

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

1121321482064 is a wasteful number, since it uses less digits than its factorization.

1121321482064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322780 (or 322774 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 1121321482064 in words is "one trillion, one hundred twenty-one billion, three hundred twenty-one million, four hundred eighty-two thousand, sixty-four".