1102920869808 has 320 divisors, whose sum is σ = 3681857203200. Its totient is φ = 313549885440.

The previous prime is 1102920869759. The next prime is 1102920869837. The reversal of 1102920869808 is 8089680292011.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3037498 + ... + 3381158.

It is an arithmetic number, because the mean of its divisors is an integer number (11505803760).

Almost surely, 2^{1102920869808} is an apocalyptic number.

1102920869808 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 1102920869808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1840928601600).

1102920869808 is an abundant number, since it is smaller than the sum of its proper divisors (2578936333392).

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

1102920869808 is a wasteful number, since it uses less digits than its factorization.

1102920869808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343737 (or 343725 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 54.

The spelling of 1102920869808 in words is "one trillion, one hundred two billion, nine hundred twenty million, eight hundred sixty-nine thousand, eight hundred eight".