1089229552992 has 336 divisors, whose sum is σ = 3707049054240. Its totient is φ = 308449161216.

The previous prime is 1089229552949. The next prime is 1089229552993. The reversal of 1089229552992 is 2992559229801.

1089229552992 is a `hidden beast` number, since 1 + 0 + 89 + 2 + 29 + 5 + 529 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×1089229552992² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089229552993) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 18422934 + ... + 18481962.

It is an arithmetic number, because the mean of its divisors is an integer number (11032884090).

Almost surely, 2^{1089229552992} is an apocalyptic number.

1089229552992 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 1089229552992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1853524527120).

1089229552992 is an abundant number, since it is smaller than the sum of its proper divisors (2617819501248).

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

1089229552992 is an equidigital number, since it uses as much as digits as its factorization.

1089229552992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59177 (or 59154 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 63.

The spelling of 1089229552992 in words is "one trillion, eighty-nine billion, two hundred twenty-nine million, five hundred fifty-two thousand, nine hundred ninety-two".