1097371802898 has 96 divisors (see below), whose sum is σ = 2783371548672. Its totient is φ = 305926437600.

The previous prime is 1097371802881. The next prime is 1097371802929. The reversal of 1097371802898 is 8982081737901.

1097371802898 is a `hidden beast` number, since 10 + 97 + 371 + 80 + 2 + 8 + 98 = 666.

It is a super-2 number, since 2×1097371802898² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5156583 + ... + 5365173.

It is an arithmetic number, because the mean of its divisors is an integer number (28993453632).

Almost surely, 2^{1097371802898} is an apocalyptic number.

1097371802898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1097371802898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1391685774336).

1097371802898 is an abundant number, since it is smaller than the sum of its proper divisors (1685999745774).

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

1097371802898 is a wasteful number, since it uses less digits than its factorization.

1097371802898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209620 (or 209617 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 63.

The spelling of 1097371802898 in words is "one trillion, ninety-seven billion, three hundred seventy-one million, eight hundred two thousand, eight hundred ninety-eight".