1089271260000 has 3840 divisors, whose sum is σ = 5550287339520. Its totient is φ = 200724480000.

The previous prime is 1089271259927. The next prime is 1089271260041. The reversal of 1089271260000 is 621729801.

1089271260000 is a `hidden beast` number, since 10 + 8 + 9 + 27 + 12 + 600 + 0 + 0 = 666.

1089271260000 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 639 ways as a sum of consecutive naturals, for example, 16257779967 + ... + 16257780033.

It is an arithmetic number, because the mean of its divisors is an integer number (1445387328).

Almost surely, 2^{1089271260000} is an apocalyptic number.

1089271260000 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 1089271260000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2775143669760).

1089271260000 is an abundant number, since it is smaller than the sum of its proper divisors (4461016079520).

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

1089271260000 is a wasteful number, since it uses less digits than its factorization.

1089271260000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

Adding to 1089271260000 its reverse (621729801), we get a palindrome (1089892989801).

The spelling of 1089271260000 in words is "one trillion, eighty-nine billion, two hundred seventy-one million, two hundred sixty thousand".