5451827091280 has 20 divisors (see below), whose sum is σ = 12675497987412. Its totient is φ = 2180730836480.

The previous prime is 5451827091257. The next prime is 5451827091281. The reversal of 5451827091280 is 821907281545.

It can be written as a sum of positive squares in 2 ways, for example, as 4277169969424 + 1174657121856 = 2068132^2 + 1083816^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451827091281) 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, 34073919241 + ... + 34073919400.

Almost surely, 2^{5451827091280} is an apocalyptic number.

It is an amenable number.

5451827091280 is an abundant number, since it is smaller than the sum of its proper divisors (7223670896132).

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

5451827091280 is a wasteful number, since it uses less digits than its factorization.

5451827091280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68147838654 (or 68147838648 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 52.

The spelling of 5451827091280 in words is "five trillion, four hundred fifty-one billion, eight hundred twenty-seven million, ninety-one thousand, two hundred eighty".