1461123936880 has 40 divisors (see below), whose sum is σ = 3403866951072. Its totient is φ = 583287631104.

The previous prime is 1461123936871. The next prime is 1461123936907. The reversal of 1461123936880 is 886393211641.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 18114879 + ... + 18195358.

Almost surely, 2^{1461123936880} is an apocalyptic number.

1461123936880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1461123936880 is an abundant number, since it is smaller than the sum of its proper divisors (1942743014192).

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

1461123936880 is a wasteful number, since it uses less digits than its factorization.

1461123936880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36310753 (or 36310747 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 1461123936880 in words is "one trillion, four hundred sixty-one billion, one hundred twenty-three million, nine hundred thirty-six thousand, eight hundred eighty".