1081239551392 has 288 divisors, whose sum is σ = 2913254709120. Its totient is φ = 383519784960.

The previous prime is 1081239551389. The next prime is 1081239551429. The reversal of 1081239551392 is 2931559321801.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30380584 + ... + 30416152.

It is an arithmetic number, because the mean of its divisors is an integer number (10115467740).

Almost surely, 2^{1081239551392} 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 1081239551392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1456627354560).

1081239551392 is an abundant number, since it is smaller than the sum of its proper divisors (1832015157728).

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

1081239551392 is a wasteful number, since it uses less digits than its factorization.

1081239551392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35696 (or 35675 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 49.

The spelling of 1081239551392 in words is "one trillion, eighty-one billion, two hundred thirty-nine million, five hundred fifty-one thousand, three hundred ninety-two".