1081878994944 has 168 divisors, whose sum is σ = 3409352497512. Its totient is φ = 327841873920.

The previous prime is 1081878994939. The next prime is 1081878994951. The reversal of 1081878994944 is 4494998781801.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144012 + ... + 1478004.

Almost surely, 2^{1081878994944} 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 1081878994944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1704676248756).

1081878994944 is an abundant number, since it is smaller than the sum of its proper divisors (2327473502568).

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

1081878994944 is a wasteful number, since it uses less digits than its factorization.

1081878994944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334036 (or 1334009 counting only the distinct ones).

The product of its (nonzero) digits is 167215104, while the sum is 72.

The spelling of 1081878994944 in words is "one trillion, eighty-one billion, eight hundred seventy-eight million, nine hundred ninety-four thousand, nine hundred forty-four".