6181485890980 has 12 divisors (see below), whose sum is σ = 12981120371100. Its totient is φ = 2472594356384.

The previous prime is 6181485890963. The next prime is 6181485890981. The reversal of 6181485890980 is 890985841816.

It can be written as a sum of positive squares in 2 ways, for example, as 1379041554276 + 4802444336704 = 1174326^2 + 2191448^2 .

It is not an unprimeable number, because it can be changed into a prime (6181485890981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154537147255 + ... + 154537147294.

It is an arithmetic number, because the mean of its divisors is an integer number (1081760030925).

Almost surely, 2^{6181485890980} is an apocalyptic number.

It is an amenable number.

6181485890980 is an abundant number, since it is smaller than the sum of its proper divisors (6799634480120).

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

6181485890980 is a wasteful number, since it uses less digits than its factorization.

6181485890980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309074294558 (or 309074294556 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 67.

The spelling of 6181485890980 in words is "six trillion, one hundred eighty-one billion, four hundred eighty-five million, eight hundred ninety thousand, nine hundred eighty".