1298541281760 has 144 divisors (see below), whose sum is σ = 4691935278576. Its totient is φ = 325908393984.

The previous prime is 1298541281759. The next prime is 1298541281827. The reversal of 1298541281760 is 671821458921.

1298541281760 is a `hidden beast` number, since 1 + 2 + 9 + 8 + 541 + 28 + 1 + 76 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 1298541281697 and 1298541281706.

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 23 ways as a sum of consecutive naturals, for example, 26498014 + ... + 26546973.

It is an arithmetic number, because the mean of its divisors is an integer number (32582883879).

Almost surely, 2^{1298541281760} is an apocalyptic number.

1298541281760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1298541281760 is an abundant number, since it is smaller than the sum of its proper divisors (3393393996816).

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

1298541281760 is a wasteful number, since it uses less digits than its factorization.

1298541281760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53045025 (or 53045014 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The spelling of 1298541281760 in words is "one trillion, two hundred ninety-eight billion, five hundred forty-one million, two hundred eighty-one thousand, seven hundred sixty".