1081173341280 has 192 divisors, whose sum is σ = 3607125032448. Its totient is φ = 271270993920.

The previous prime is 1081173341251. The next prime is 1081173341291. The reversal of 1081173341280 is 821433711801.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29545395 + ... + 29581965.

It is an arithmetic number, because the mean of its divisors is an integer number (18787109544).

Almost surely, 2^{1081173341280} is an apocalyptic number.

1081173341280 is a gapful number since it is divisible by the number (10) 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 1081173341280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1803562516224).

1081173341280 is an abundant number, since it is smaller than the sum of its proper divisors (2525951691168).

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

1081173341280 is a wasteful number, since it uses less digits than its factorization.

1081173341280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40229 (or 40221 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 1081173341280 in words is "one trillion, eighty-one billion, one hundred seventy-three million, three hundred forty-one thousand, two hundred eighty".