1089375544530 has 384 divisors, whose sum is σ = 3797473881600. Its totient is φ = 219852154368.

The previous prime is 1089375544529. The next prime is 1089375544531. The reversal of 1089375544530 is 354455739801.

It is a happy number.

1089375544530 is a `hidden beast` number, since 1 + 0 + 8 + 9 + 37 + 554 + 4 + 53 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1089375544529) and next prime (1089375544531).

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

It is not an unprimeable number, because it can be changed into a prime (1089375544531) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 3818076 + ... + 4093464.

It is an arithmetic number, because the mean of its divisors is an integer number (9889254900).

Almost surely, 2^{1089375544530} is an apocalyptic number.

1089375544530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1089375544530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1898736940800).

1089375544530 is an abundant number, since it is smaller than the sum of its proper divisors (2708098337070).

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

1089375544530 is a wasteful number, since it uses less digits than its factorization.

1089375544530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275455 (or 275442 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 1089375544530 in words is "one trillion, eighty-nine billion, three hundred seventy-five million, five hundred forty-four thousand, five hundred thirty".