1081844546880 has 112 divisors (see below), whose sum is σ = 3452654211264. Its totient is φ = 286997053440.

The previous prime is 1081844546879. The next prime is 1081844546911. The reversal of 1081844546880 is 886454481801.

It is a happy number.

It is a super-2 number, since 2×1081844546880² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1081844546880.

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, 2734206 + ... + 3104765.

Almost surely, 2^{1081844546880} is an apocalyptic number.

1081844546880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1081844546880 is an abundant number, since it is smaller than the sum of its proper divisors (2370809664384).

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

1081844546880 is a wasteful number, since it uses less digits than its factorization.

1081844546880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5839184 (or 5839174 counting only the distinct ones).

The product of its (nonzero) digits is 7864320, while the sum is 57.

The spelling of 1081844546880 in words is "one trillion, eighty-one billion, eight hundred forty-four million, five hundred forty-six thousand, eight hundred eighty".