1361326500798 has 192 divisors, whose sum is σ = 3145977999360. Its totient is φ = 392072845120.

The previous prime is 1361326500797. The next prime is 1361326500811. The reversal of 1361326500798 is 8970056231631.

It is a self number, because there is not a number n which added to its sum of digits gives 1361326500798.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361326500797) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 167091361 + ... + 167099507.

It is an arithmetic number, because the mean of its divisors is an integer number (16385302080).

Almost surely, 2^{1361326500798} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1361326500798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1572988999680).

1361326500798 is an abundant number, since it is smaller than the sum of its proper divisors (1784651498562).

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

1361326500798 is a wasteful number, since it uses less digits than its factorization.

1361326500798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8363 (or 8352 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 51.

The spelling of 1361326500798 in words is "one trillion, three hundred sixty-one billion, three hundred twenty-six million, five hundred thousand, seven hundred ninety-eight".