1461555806080 has 32 divisors (see below), whose sum is σ = 3494031850440. Its totient is φ = 584622322176.

The previous prime is 1461555806023. The next prime is 1461555806131. The reversal of 1461555806080 is 806085551641.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1461555806080² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1141839834 + ... + 1141841113.

Almost surely, 2^{1461555806080} is an apocalyptic number.

1461555806080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1461555806080 is an abundant number, since it is smaller than the sum of its proper divisors (2032476044360).

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

1461555806080 is an equidigital number, since it uses as much as digits as its factorization.

1461555806080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283680966 (or 2283680954 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 49.

The spelling of 1461555806080 in words is "one trillion, four hundred sixty-one billion, five hundred fifty-five million, eight hundred six thousand, eighty".