1089709601600 has 168 divisors, whose sum is σ = 2850990203520. Its totient is φ = 408524677120.

The previous prime is 1089709601593. The next prime is 1089709601609. The reversal of 1089709601600 is 61069079801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089709601609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6416987 + ... + 6584613.

Almost surely, 2^{1089709601600} is an apocalyptic number.

1089709601600 is a gapful number since it is divisible by the number (10) 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 1089709601600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1425495101760).

1089709601600 is an abundant number, since it is smaller than the sum of its proper divisors (1761280601920).

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

1089709601600 is a wasteful number, since it uses less digits than its factorization.

1089709601600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167905 (or 167890 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 47.

The spelling of 1089709601600 in words is "one trillion, eighty-nine billion, seven hundred nine million, six hundred one thousand, six hundred".