1368781910010 has 48 divisors (see below), whose sum is σ = 3619152182880. Its totient is φ = 358821923040.

The previous prime is 1368781909973. The next prime is 1368781910077. The reversal of 1368781910010 is 100191878631.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128881876 + ... + 128892495.

It is an arithmetic number, because the mean of its divisors is an integer number (75399003810).

Almost surely, 2^{1368781910010} is an apocalyptic number.

1368781910010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1368781910010 is an abundant number, since it is smaller than the sum of its proper divisors (2250370272870).

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

1368781910010 is a wasteful number, since it uses less digits than its factorization.

1368781910010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257774443 (or 257774440 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 45.

The spelling of 1368781910010 in words is "one trillion, three hundred sixty-eight billion, seven hundred eighty-one million, nine hundred ten thousand, ten".