1081208798208 has 1760 divisors, whose sum is σ = 4285357621248. Its totient is φ = 263363788800.

The previous prime is 1081208798191. The next prime is 1081208798279. The reversal of 1081208798208 is 8028978021801.

1081208798208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1081208798208² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 8513455041 + ... + 8513455167.

Almost surely, 2^{1081208798208} is an apocalyptic number.

1081208798208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1081208798208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2142678810624).

1081208798208 is an abundant number, since it is smaller than the sum of its proper divisors (3204148823040).

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

1081208798208 is a wasteful number, since it uses less digits than its factorization.

1081208798208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 224 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 54.

The spelling of 1081208798208 in words is "one trillion, eighty-one billion, two hundred eight million, seven hundred ninety-eight thousand, two hundred eight".