1089528485652 has 192 divisors, whose sum is σ = 3110290176000. Its totient is φ = 328291958016.

The previous prime is 1089528485641. The next prime is 1089528485687. The reversal of 1089528485652 is 2565848259801.

It is a happy number.

1089528485652 is a `hidden beast` number, since 1 + 0 + 8 + 9 + 5 + 28 + 48 + 565 + 2 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1089528485652.

It is a congruent number.

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, 19274943 + ... + 19331385.

It is an arithmetic number, because the mean of its divisors is an integer number (16199428000).

Almost surely, 2^{1089528485652} is an apocalyptic number.

1089528485652 is a gapful number since it is divisible by the number (12) 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 1089528485652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1555145088000).

1089528485652 is an abundant number, since it is smaller than the sum of its proper divisors (2020761690348).

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

1089528485652 is a wasteful number, since it uses less digits than its factorization.

1089528485652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56907 (or 56899 counting only the distinct ones).

The product of its (nonzero) digits is 55296000, while the sum is 63.

The spelling of 1089528485652 in words is "one trillion, eighty-nine billion, five hundred twenty-eight million, four hundred eighty-five thousand, six hundred fifty-two".